Where to buy neodymium magnets fit tool first, then the sourcing decision report.
This route is built for buyers who need immediate supplier direction plus confidence in technical, policy, and logistics assumptions. Run the tool first, then use the report layer to validate boundaries before RFQ lock.
1) Where to buy neodymium magnets fit tool (primary interaction layer)
Input duty conditions and sourcing constraints for where-to-buy neodymium magnet decisions. The tool returns fit classification, route recommendation, boundary note, and immediate next actions.
No result yet
Run the tool to generate fit classification, buying-lane guidance, grade window, and RFQ action path.
The output includes suitability boundaries and a fallback route plus route-specific sourcing cautions when NdFeB is not a safe primary lane.
Reference run for where-to-buy neodymium magnets: U.S. B2B prototype and recurring-buy program comparing distributor stock, China-direct RFQ, and a possible EU listing lane.
- Target flux density: 835 mT
- Max operating temp: 109C
- Peak temp: 133C
- Corrosion exposure: Humid with periodic splash
- Shape complexity: Standard disc and block mix
- Channel scope: U.S. B2B primary with possible consumer-facing listing
- Buying route focus: Compare stock + factory lanes
- Shipment lane: Small-parcel prototype + surface-volume production
Illustrative tool output: With these illustrative inputs, the deterministic tool returns "Conditional fit". The technical screen is preliminary, and the selected sourcing lane adds its own traceability, classification, channel, and entry-date checks before supplier award.
Why this matters: Where-to-buy decisions depend on the purchase route as well as magnet duty. The chosen stock, factory-direct, routed-import, or listing lane now changes the tool result and its next steps.
2) Report summary (decision-ready conclusions)
These cards summarize the key decisions, core numbers, and applicability boundaries so teams can align quickly.
Run tool
Deterministic screening score only, not a probability, supplier qualification, landed-cost calculation, or purchase approval.
Pending result
Adjusted value includes environment, geometry, and compliance penalties before class mapping.
Pending result
Uses max(adjusted peak, adjusted operating + 8C) so sustained-duty risk is not hidden by transient-only checks.
28-54 MGOe (Arnold grade reference)
Source: [S116]. This supplier catalog range is not a universal working limit; usable output depends on grade, load line, geometry, and temperature.
35%-40% N-1 coverage
Source: [S4], 2035 shock scenario for graphite + rare earth elements. Use contingency lanes before RFQ freeze.
100% U.S. net reliance (2025)
Source: [S2] heavy rare earth chapter. High-temperature programs should disclose Dy/Tb exposure assumptions.
Rev21 base rates + entry-specific Chapter 99 checks
Sources: [S109]-[S114]. Confirm current notes, exceptions, imported form, origin, and entry date with a customs broker before ranking offers.
- Engineering teams defining first-pass material lanes before RFQ.
- Procurement teams that need explicit evidence gates before supplier ranking.
- Programs balancing compact size requirements with thermal and corrosion boundaries.
- Teams expecting universal grade answers without duty-cycle evidence.
- Projects that cannot execute minimum thermal/corrosion validation.
- Cost-only sourcing workflows with no fallback lane definition.
3) Key numbers and scope boundaries
Numeric claims are disclosed with date markers. Unknown or uncertain items are explicitly labeled to avoid false certainty.
| Metric | Value | Date marker | Decision implication | Source ref |
|---|---|---|---|---|
| U.S. rare-earth concentrate output (REO) | 51,000 t and USD 240M | USGS MCS 2026 chapter, published 2026-02 | Shows domestic output scale but not full self-sufficiency for downstream NdFeB supply chains. | [S1] |
| U.S. imports of RE compounds/metals | +169% volume in 2025; value USD 165M vs USD 168M in 2024 | USGS MCS 2026 chapter, published 2026-02 | Procurement risk is driven by product mix and category shifts, not only by headline import value. | [S1] |
| World rare-earth production estimate | 390,000 t in 2025 | USGS MCS 2026 foreword (published 2026-02) | Global supply expanded, but growth does not remove concentration and policy-shock exposure. | [S3] |
| Heavy rare-earth net import reliance (U.S.) | 100% in 2025 (compounds and metals) | USGS MCS 2026 heavy rare earths chapter, published 2026-02 | High-temperature NdFeB lanes can inherit geopolitical and licensing risks through Dy/Tb exposure. | [S2] |
| Rare-earth demand change in STEPS | +50% to +60% by 2040 | IEA Global Critical Minerals Outlook 2025 | Even moderate scenario growth keeps pressure on magnet-material qualification and sourcing plans. | [S4] |
| China projected refining share (battery-grade graphite + rare earths) | Around 80% in 2035 | IEA Global Critical Minerals Outlook 2025 | Dual-lane sourcing should start before RFQ freeze for high-risk temperature classes. | [S4] |
| N-1 supply coverage for graphite + rare earths | Only 35% to 40% of N-1 demand in 2035 | IEA Global Critical Minerals Outlook 2025 | Single-country disruption can invalidate otherwise "balanced" supply assumptions. | [S4] |
| Salt spray as field-life predictor | Seldom correlates when used as stand-alone data | ASTM B117-26, last updated 2026-01-19 | Do not convert fog-test hours directly into service-life commitments without corroborating evidence. | [S10] |
| U.S. net import reliance (RE compounds/metals) | About 67% in 2025 (down from >90% in 2024) | USGS MCS 2026 Rare Earths chapter, published 2026-02 | Dependence improved versus 2024, but import exposure remains high enough to require dual-lane planning. | [S14] |
| U.S. apparent consumption (RE compounds/metals) | 27,000 t REO in 2025 vs 9,010 t in 2024 | USGS MCS 2026 Rare Earths chapter, published 2026-02 | Demand rebound can compress lead-time buffers if RFQ and validation gating are delayed. | [S14] |
| China share of U.S. RE imports by value | Average 71% (2021-2024) | USGS MCS 2026 Rare Earths chapter, published 2026-02 | Country concentration remains material for NdFeB programs even when domestic mine output increases. | [S14] |
| Rare-earth oxide price dispersion (2025, China market) | NdPr +25% ($55->69/kg), Tb +24% ($812->1,010/kg), Dy -7% ($257->239/kg) | USGS MCS 2026 Rare Earths + Heavy Rare Earths chapters | Do not treat heavy-RE exposure as one blended surcharge; element-specific terms are safer for contracts. | [S14][S15] |
| Chinese permanent-magnet exports | About 58,000 t in 2024 | IEA commentary on export controls, published 2025-12-04 | Short approval delays can rapidly affect downstream inventories when market dependence is high. | [S16] |
| EU strategic benchmark package (CRMA) | 2030 targets: 10% extraction, 40% processing, 25% recycling, <=65% single-country dependency | Regulation (EU) 2024/1252, effective 2024-05-23 | EU-facing RFQs should include origin traceability and recycling disclosure gates before final award. | [S12] |
| Air carriage magnetic-field limit (U.S.) | >0.00525 gauss at 4.5 m from any package surface is forbidden | FAA PackSafe page last updated 2023-03-15; eCFR current to 2026-03-19 | Technical fit alone does not guarantee ship readiness; package-field checks must be part of launch gating. | [S19] |
| U.S. consumer magnet hazard threshold | Hazard criteria include small-part fit plus flux index >=50 kG2 mm2; subject products must stay below 50 | 16 CFR part 1262 current text, accessed 2026-02-19 | Consumer-facing loose-magnet products need compliance screening before using catalog strength claims in go-to-market plans. | [S20] |
| U.S. high-powered magnet injury baseline | Estimated 26,600 emergency-department visits (2010-2021) and 7 reported deaths | 16 CFR part 1262 findings and CPSC final-rule release (2022) | If magnets can become loose parts, safety risk can dominate material-choice logic even when force targets are met. | [S20][S21] |
| Rare-earth demand vs secondary supply (2024, STEPS) | 91 kt demand vs 27 kt secondary supply (~30%, inferred) | IEA rare-earth data page, updated 2025-05-21 | Secondary supply helps but does not replace primary extraction and refining resilience planning. | [S22] |
| Top-three concentration (2024, STEPS) | Mining 86%; refining 97% | IEA rare-earth data page, updated 2025-05-21 | Supplier-count diversification can still mask concentration risk if upstream refining remains highly clustered. | [S22] |
| Section 301 rate for permanent magnets (U.S.) | 25% additional tariff for HTS 8505.11.00 | USTR final modification notice published 2024-09-18; timing set to 2026 | U.S.-bound neodymium magnet quotes should separate base material price and tariff-sensitive landed-cost scenarios. | [S29] |
| U.S. entry-date trigger for 2026 tariff step | 2026 tariff increases apply to goods entered on or after 2026-01-01 | USTR final modification notice, published 2024-09-18 | Programs launching near Q1-2026 need pre/post-cutover pricing and inventory timing plans before PO lock. | [S29] |
| USTR capacity rationale for permanent-magnet timing | Demand outpaced domestic capacity; three U.S.-headquartered NdFeB production plans cited for 2026 | USTR final modification notice rationale, 2024-09-18 | Treat 2026 as a transition window: domestic alternatives may improve, but quote readiness still needs near-term contingency lanes. | [S29] |
| CPSC magnet rule judicial status (U.S.) | Tenth Circuit denied petition for review and upheld the rule (case filed 2025-03-03) | U.S. Court of Appeals for the Tenth Circuit opinion, 2025-03-03 | Consumer-channel magnet safety screening should be treated as a durable compliance gate, not a temporary policy debate. | [S30] |
| Recent U.S. enforcement signal for noncompliant magnet products | CPSC warning 26-100 cites approximately 94 units sold (2024-06 to 2025-10) for a product violating the mandatory magnet standard | CPSC warning notice published 2025-11-20 | Even lower-volume aftermarket listings can trigger enforcement risk; channel controls and product-scope checks remain necessary. | [S31] |
| CPSC scope boundary in codified text | 16 CFR part 1262 defines subject magnet products and keeps industrial/professional channels outside scope only when sold or distributed solely for those uses | GovInfo CFR edition date 2025-01-01 | Mixed-channel resale can collapse exemption assumptions; channel controls must be embedded before launch. | [S35] |
| Aircraft shipment legal trigger (DOT text) | 49 CFR 173.21 forbids aircraft carriage when package field exceeds 0.00525 gauss at 4.5 m (15 ft) | GovInfo CFR edition date 2024-10-01 | Even with compliant tariff/classification planning, shipping readiness still fails without package-field validation. | [S36] |
| Live U.S. HTS release checked for this page | USITC currentRelease reports 2026HTSRev21, published 2026-10-09 | Live endpoint checked 2026-10-11 | Refresh the release ID at quote and entry time; a page snapshot cannot replace the tariff schedule applicable to a specific entry. | [S109][S110] |
| HTS base rate reference for 8505.11.00 | 2026HTSRev21 API lists General 2.1%, Special Free for listed programs, and Other 45% | Live HTS search checked 2026-10-11 | This is a heading-level reference, not a classification decision; imported form, origin, and applicable Chapter 99 notes can change the landed duty. | [S111] |
| China-origin Chapter 99 line 9903.91.06 | 2026HTSRev21 lists the applicable subheading duty +25% for covered China-origin articles under U.S. note 31(g) | Live HTS search checked 2026-10-11 | Confirm the article is within the cited note and check other applicable provisions before using this as a quote assumption. | [S112] |
| Additional-duty line 9903.03.01 status check | The live HTS endpoint lists the applicable subheading duty +10%; Proclamation 11012 states its original period ran through 2026-07-24 unless extended by Congress | HTS and proclamation checked 2026-10-11; original proclamation published 2026-02-25 | Do not copy a static 10% assumption into a quote. Verify the current Chapter 99 note, any later authority, product exceptions, origin, and entry date with a customs broker. | [S113][S114] |
| U.S. postal prototype-entry transition | CBP’s postal rule took effect 2026-07-24; compliance with specified data elements is due 2026-10-22 | Federal Register rule 2026-12669, published 2026-06-24 | Low-value postal prototypes need a current carrier/entry workflow and applicable-duty check; the old <$800 duty-free assumption is not a safe default. | [S115] |
Note: Grade suffix windows shown here are supplier planning conventions. Final qualification always depends on measured magnetic curves, thermal reserve checks, and application-specific validation.
Evidence snapshot checked on 2026-10-11.
Share your duty profile, shipment lane, and channel assumptions. We will return an RFQ-ready action list with fallback triggers.
3.5) Policy and compliance trigger matrix (neodymium route)
This section adds time-bound regulatory and market triggers that materially change NdFeB procurement decisions for EU-facing and globally exposed programs.
| Trigger | What changed | Timing | Sourcing impact | Minimum action | Source ref |
|---|---|---|---|---|---|
| EU strategic benchmark gate (CRMA Article 5) | EU defines 2030 targets: >=10% extraction, >=40% processing, >=25% recycling, and <=65% single-country dependency. | Regulation in force since 2024-05-23; benchmark horizon is 2030. | EU-bound programs need upstream origin transparency and backup processing lanes earlier in the RFQ cycle. | Request country-of-processing disclosure and contingency sources before price-only negotiations. | [S12] |
| Permanent-magnet label and digital data carrier (CRMA Article 28) | Products containing permanent magnets in covered categories must carry recycler-readable labels and a data carrier. | Delegated act due by 2026-11-24; obligations apply two years after delegated act enters into force. | Packaging and traceability workflows may need redesign if label/data fields are not planned upfront. | Insert label-readiness clauses in supplier agreements and reserve packaging change budget before SOP. | [S13] |
| Recycled-content statement for magnets (CRMA Article 29) | For products with >0.2 kg permanent magnets, recycled-content share for Nd, Dy, Pr, Tb and related elements must be disclosed. | Applies from 2027-05-24 or two years after delegated methodology act, whichever is later. | Quotes without elemental recycled-content accounting can become non-comparable for EU programs. | Add recycled-content traceability fields to RFQ templates and require method disclosure with each quote revision. | [S13] |
| 2025 export-control disruption window | IEA reports licensing restrictions and approval bottlenecks after China export-control tightening in 2025. | Controls announced 2025-04 and extended by 2025-10; approvals remained constrained through 2025-11. | Single-lane NdFeB sourcing can face abrupt lead-time shocks even when nominal capacity exists. | Define trigger-based switch rules (lead time, surcharge, and element exposure) before final supplier award. | [S15][S16] |
| Corrosion test comparability gate | ISO 9227 and IEC 60068-2-11 define controlled salt-mist methods, but they remain comparative screening tools rather than direct field-life predictors. | ISO 9227 published 2022-08; IEC 60068-2-11 updated 2021-06-17; ASTM B117 current revision 2026-01-19. | Quote claims based only on fog-test hours can overstate lifecycle confidence across real media and duty cycles. | Require combined corrosion + thermal-cycle validation criteria in RFQ instead of accepting stand-alone salt-spray hours. | [S10][S17][S18] |
| U.S. air-carriage magnetized-material gate | FAA PackSafe and 49 CFR 173.21(d) align on the aircraft carriage limit of >0.00525 gauss at 4.5 m from any package surface. | FAA page last updated 2023-03-15; eCFR current to 2026-03-19. | High-strength packages can require shielding redesign or route changes even after technical material fit is approved. | Add package-field measurement records to logistics release checklists before air-freight booking. | [S19] |
| U.S. consumer loose-magnet safety gate | 16 CFR part 1262 defines hazardous consumer magnet products by small-part fit and flux index threshold; CPSC attributes major injury burden to this category. | Effective since 2022-10-21; current text accessed 2026-02-19. | Consumer-facing SKUs can fail compliance even when engineering pull-force targets are met. | Screen product scope and flux-index risk before tooling and packaging lock for consumer channels. | [S20][S21] |
| U.S. Section 301 permanent-magnet tariff step | USTR finalized a 25% tariff rate for permanent magnets under HTS 8505.11.00 with a 2026 implementation window. | Final notice published 2024-09-18; 2026 tariff step applies to entries on or after 2026-01-01. | U.S.-bound neodymium magnet programs near 2026 cutover can face abrupt landed-cost shifts if RFQ assumptions are not versioned by entry date. | Add pre/post-2026 landed-cost scenarios and broker-confirmed HTS assumptions to RFQ approval packs. | [S29] |
| U.S. consumer magnet rule judicial confirmation | The Tenth Circuit denied the petition for review in Magnetsafety.org v. CPSC, leaving the mandatory federal magnet rule in force. | Opinion filed 2025-03-03. | Consumer-channel neodymium magnet products should be treated as compliance-gated programs, not voluntary-guideline projects. | Require documented rule-scope checks and flux-index evidence before approving consumer-facing SKUs. | [S30] |
| Recent CPSC warning activity for magnet products | CPSC warning notice 26-100 publicly flags a magnetic building-set product for violating mandatory safety requirements. | Warning published 2025-11-20. | Low-volume marketplace sales can still generate public enforcement risk and recall-like disruption. | Add quarterly listing audits and product-scope checks for magnet accessories sold through e-commerce channels. | [S31] |
| Codified consumer-scope boundary (16 CFR part 1262) | GovInfo CFR text codifies subject-product scope and the solely-distributed industrial/professional exclusion boundary for magnet products. | CFR edition date 2025-01-01. | Mixed-channel distribution can invalidate early exemption assumptions and trigger additional compliance obligations. | Add channel-intent controls and listing-monitoring checkpoints before approving broad resale routes. | [S35] |
| Live HTS release and rate refresh before quote ranking | The active USITC release advanced to 2026HTSRev21. Its live API currently returns heading 8505.11.00 and Chapter 99 line values shown in the evidence table. | Release published 2026-10-09; endpoint checked 2026-10-11. | A stale release ID or a copied tariff line can make supplier landed-cost comparisons non-comparable. | Attach the release ID and extraction date to each quote; have the broker confirm the exact imported form, origin, notes, and exceptions for entry. | [S109][S110][S111][S112] |
| Resolve the 9903.03.01 listing against current authority | The live HTS endpoint lists an additional 10% line, while Proclamation 11012 states an original end date of 2026-07-24 unless extended by Congress. | Both sources checked 2026-10-11. | Applying or omitting this line without checking current notes, later actions, exceptions, origin, and entry date can materially misstate landed cost. | Resolve current legal authority and product scope with a customs broker before using this line in a supplier ranking. | [S113][S114] |
| Postal prototype entry-process change | CBP’s postal rule suspends the postal de minimis administrative exemption and establishes a new informal-entry process. | Effective 2026-07-24; specified data-field compliance date 2026-10-22. | A postal sample route may need different filing data, carrier coordination, and duty handling than an old low-value parcel assumption. | Confirm the current postal filing process with the carrier or broker before dispatch; check the rule again after the compliance date. | [S115] |
| Pending item | Current status | Impact | Minimum action | Source ref |
|---|---|---|---|---|
| CRMA Article 28 magnet-label implementation template | Pending delegated act text (deadline 2026-11-24). As of 2026-02-18, no reliable public final label template is available. | Teams may under-scope packaging, serialization, or data-carrier changes if they wait for late-stage interpretation. | Track Official Journal updates monthly and require suppliers to provide draft label/data payload mapping in advance. | [S13] |
| CRMA Article 29 recycled-content calculation method | Delegated methodology act is due by 2026-05-24; as of 2026-02-18, no reliable public finalized method text is available. | Supplier recycled-content declarations may use inconsistent assumptions, reducing quote comparability. | Ask each supplier for current method assumptions and third-party verification path until EU method is finalized. | [S13] |
| Part-level Dy/Tb intensity for specific commercial grades | No reliable public open dataset; supplier formulas are typically confidential and program-specific. | Element-specific price and export-license exposure can remain hidden until late quote revisions. | Use NDA-backed composition range disclosure and element-indexed surcharge clauses before committing long-horizon POs. | [S15] |
| Carrier-specific acceptance workflow for magnetized packages | No single reliable public cross-carrier template; regulatory thresholds are clear but acceptance workflows vary by route and operator. | Programs can hit late booking friction even after in-house technical and compliance reviews pass. | Collect route-specific carrier checklists and sample package-field evidence before ramp milestones. | [S19] |
| Cumulative duty-stack visibility for U.S. entries | No reliable public one-table source consolidates all tariff programs and exceptions for every neodymium magnet assembly scenario. | Teams may underprice bids when they model only one duty layer or assume identical treatment across all BOM variants. | Maintain broker-reviewed landed-cost calculators by HTS candidate, entry date, and Incoterm before PO approval. | [S29] |
| Industrial-only exemption durability in mixed channels | No reliable public universal template defines minimum evidence needed when product distribution can drift from industrial to consumer-adjacent channels. | Programs can lose exemption assumptions after launch if channel controls are not documented and monitored. | Set channel-lock controls in contracts and run recurring marketplace audits for magnet-bearing SKUs. | [S30][S31] |
| Operational proof of solely-industrial channel control | No reliable public standardized audit package defines sufficiency for maintaining the solely-distributed industrial/professional boundary in dynamic resale channels. | Compliance posture can drift after launch when distribution practices change without evidence controls. | Maintain channel attestations, contractual resale restrictions, and periodic listing audits as standing controls. | [S35] |
| Postal entry data-field compliance transition | CBP’s published rule sets 2026-10-22 as the compliance date for specified data fields; this page snapshot is dated 2026-10-11. | A sample shipment released under the wrong carrier process can be delayed or costed with incomplete entry assumptions. | Confirm the current carrier/broker workflow before dispatch and recheck CBP instructions after the compliance date. | [S115] |
Pending labels use explicit status wording when no reliable public implementation text is available as of 2026-10-11.
4) Methodology
The method combines technical feasibility and sourcing execution in one path so output can directly drive next actions.
Step 1 - Convert max and peak temperatures into planning duty
For this neodymium magnets route, the tool adjusts both max operating and peak temperatures, then applies an 8C planning guard band on sustained duty.
Step 2 - Gate against thermal class and flux demand
Planning duty maps to N/AH planning windows while requested flux density screens for sintered, bonded, or fallback routes.
Step 3 - Add coating and validation burden
Corrosion exposure determines coating stack and required validation evidence before RFQ lock.
Step 4 - Produce action path with confidence
The output reports confidence, risk rows, and next actions so teams can move directly into RFQ or fallback planning.
Step 5 - Run trade and channel scope gates before RFQ lock
For this route, the report layer adds U.S. tariff timing/classification checks plus consumer-channel scope review so technical fit is not mistaken for commercial readiness.
Step 6 - Version landed-cost assumptions by HTS release
This for-sale route appends an HTS release checkpoint (current release ID, heading baseline, and chapter-99 overlay) so quote comparisons remain auditable when tariff data updates.
Step 7 - Pin the active HTS release and extraction date
Use the currentRelease endpoint when the quote is prepared, record its release ID and extraction date, and refresh the heading and Chapter 99 notes before entry.
Step 8 - Reconcile Chapter 99 authority before landed-cost ranking
The live 9903.03.01 result and Proclamation 11012 original end date require a current authority, exception, origin, and entry-date check. Treat a static page value as a prompt for broker review, not a tariff determination.
Step 9 - Verify the postal route for low-value prototypes
For international post, confirm the CBP process effective 2026-07-24 and the current data requirements with the carrier or broker; do not reuse an old <$800 duty-free assumption.
Step 10 - Treat the displayed score as a screening heuristic
The displayed score uses a 100-point scale and fixed rule penalties on this page. It is not calibrated against historical supplier outcomes, a probability, or purchase approval.
5) Data sources and evidence trail
Every key conclusion maps to a source and date marker so reviewers can validate or challenge assumptions quickly.
| Ref | Source | Signal used on this page | Date marker |
|---|---|---|---|
| S1 | USGS MCS 2026 - Rare Earths chapter | Reports U.S. REO concentrate output (51,000 t, USD 240M) and import shift (+169% volume; value USD 165M vs USD 168M in 2024). | Published 2026-02 |
| S2 | USGS MCS 2026 - Heavy Rare Earths chapter | Shows U.S. net import reliance at 100% in 2025 and documents 2025 export-control timeline affecting heavy rare earths. | Published 2026-02 |
| S3 | USGS Mineral Commodity Summaries 2026 (foreword) | States world rare-earth production estimate reached 390,000 tons in 2025. | Manuscript approved 2026-02-06 |
| S4 | IEA Global Critical Minerals Outlook 2025 | Rare-earth demand rises 50%-60% by 2040 in STEPS; China around 80% refining share in 2035; N-1 coverage for graphite + rare earths only 35%-40%. | Published 2025 |
| S5 | DOE Critical Materials Assessment 2023 | Executive summary states Nd, Pr, Dy, Tb used in EV motor and wind generator magnets continue to be critical. | Published 2023-07-31 |
| S6 | IEC 60404-5:2015 | Defines measurement methods for magnetic flux density, polarization, field strength, demagnetization curve, and recoil line for permanent magnets. | Publication date 2015-04-16 |
| S7 | IEC 60404-8-1:2023 | Specifies minimum magnetic-property values and dimensional tolerances for magnetically hard materials, including updated REFeB grades. | Publication date 2023-09-20 |
| S8 | IEC 60404-18:2025 | Defines open-circuit superconducting-magnet methods (SCM-VSM and SCM-extraction) and self-demagnetizing-field corrections. | Publication date 2025-02-20 |
| S9 | IEC TR 62518:2009 | Details flux-loss behavior of Nd-Fe-B and SmCo sintered magnets from 50C to 200C for up to 1000 h; explicitly excludes corrosion-coupled stability modeling. | Publication date 2009-03-17 |
| S10 | ASTM B117-26 | Defines salt-spray apparatus as a controlled comparative test and warns that stand-alone correlation to natural environment is seldom reliable. | Last updated 2026-01-19 |
| S11 | Review paper on bonded NdFeB (Journal of Alloys and Compounds 2025) | Notes isotropic bonded NdFeB is often <=16 MGOe while anisotropic bonded routes can approach ~25 MGOe. | Published 2025-07-15 |
| S116 | Arnold Magnetic Technologies - NdFeB grade property table | Lists typical BHmax values from 28 MGOe for N28AH through 54 MGOe for N55; these are supplier grade data, not universal usable-energy limits. | Product page accessed 2026-10-15 |
| S117 | Arnold Magnetic Technologies - RECOMA SmCo grades and properties | Lists standard RECOMA grades from 18 to 35E and typical BHmax values from 18 to 33.3 MGOe; actual grade properties and operating limits vary. | Product page accessed 2026-10-15 |
| S12 | Regulation (EU) 2024/1252 (CRMA), Article 5 | Sets 2030 EU benchmarks: >=10% extraction, >=40% processing, >=25% recycling, and <=65% single-country dependency at each strategic stage. | Entered into force 2024-05-23 |
| S13 | Regulation (EU) 2024/1252 (CRMA), Articles 28-29 | Defines permanent-magnet labeling/data-carrier obligations and recycled-content statement requirements for Nd, Dy, Pr, Tb and related elements. | Entered into force 2024-05-23 |
| S14 | USGS MCS 2026 - Rare Earths chapter | Reports U.S. 2025 net import reliance at about 67%, consumption at 27,000 t REO, China import share averaging 71% (2021-2024), and NdPr oxide rising from $55/kg to $69/kg in 2025. | Published 2026-02 |
| S15 | USGS MCS 2026 - Heavy Rare Earths chapter | Documents 2025 export-control timeline for seven medium/heavy rare-earth items; terbium oxide increased from $812/kg to $1,010/kg while dysprosium oxide declined from $257/kg to $239/kg. | Published 2026-02 |
| S16 | IEA commentary: China’s export restrictions and strategic responses | Notes roughly 58,000 t Chinese permanent-magnet exports in 2024 and reports 2025 licensing disruptions affecting downstream inventories. | Published 2025-12-04 |
| S17 | ISO 9227:2022 Corrosion tests in artificial atmospheres | Defines NSS/AASS/CASS test methods and warns that salt-spray performance does not translate directly into corrosion behavior in other environments. | Published 2022-08 |
| S18 | IEC 60068-2-11:2021 Environmental testing - Test Ka | Provides an electrotechnical salt-mist test protocol used for comparative corrosion qualification and test reproducibility. | Published 2021-06-17 |
| S19 | FAA PackSafe magnets page + 49 CFR 173.21(d) | States that any package or magnet above 0.00525 gauss at 4.5 m (15 feet) from any package surface cannot fly and points to the codified DOT rule. | FAA page last updated 2023-03-15; accessed 2026-03-22 |
| S20 | eCFR 16 CFR part 1262 - Safety standard for magnets | Defines hazard criteria using small-part fit and flux index >=50 kG2 mm2, with an effective date of 2022-10-21. | Current text (last amended 2023-09-20), accessed 2026-02-19 |
| S21 | CPSC final-rule release for magnet safety | Reports estimated 26,600 emergency-department visits (2010-2021) and seven deaths linked to high-powered magnet ingestion incidents. | Published 2022-09-22 |
| S22 | IEA data: Rare earth elements supply, demand, diversification and policy support | Shows 2024 STEPS values of 91 kt demand, 27 kt secondary supply, and top-three concentration of 86% (mining) and 97% (refining). | Updated 2025-05-21 |
| S29 | USTR final Section 301 modification notice (Federal Register framework PDF) | Confirms permanent magnets under HTS 8505.11.00 move to 25% in 2026, with 2025/2026 rate steps applying to entries on or after January 1 of the corresponding year; rationale cites domestic-capacity gap and planned U.S. NdFeB facilities. | Published 2024-09-18 |
| S30 | U.S. Court of Appeals for the Tenth Circuit, Magnetsafety.org v. CPSC | Opinion filed 2025-03-03 denies the petition for review and leaves the CPSC magnet safety rule in force, while discussing rule scope and exemptions. | Filed 2025-03-03 |
| S31 | CPSC warning notice 26-100 (magnetic building sets) | Publishes a 2025 warning for products that can exceed mandatory magnet-safety limits, reporting approximately 94 units sold during 2024-06 through 2025-10. | Published 2025-11-20 |
| S35 | GovInfo CFR 2025 Title 16 Part 1262 (CPSC magnet rule text) | Codifies scope, hazard threshold (50 kG2 mm2), and the solely-distributed industrial/professional exclusion boundary for subject magnet products. | CFR edition date 2025-01-01 |
| S36 | GovInfo CFR 2024 Title 49 §173.21 (DOT forbidden materials) | Codifies the aircraft prohibition threshold for magnetic-field intensity above 0.00525 gauss measured at 4.5 m (15 feet). | CFR edition date 2024-10-01 |
| S109 | USITC HTS API - live currentRelease endpoint | Reports 2026HTSRev21 as the active release identifier; use it as the release marker for a dated quote snapshot. | Checked 2026-10-11 |
| S110 | USITC HTS archive - Revision 21 publication record | Lists 2026 HTS Revision 21 with publication date 2026-10-09. | Page checked 2026-10-11 |
| S111 | USITC HTS API - heading 8505.11.00 | Live Revision 21 response lists General 2.1%, Special Free for specified programs, and Other 45%. | Endpoint checked 2026-10-11 |
| S112 | USITC HTS API - Chapter 99 line 9903.91.06 | Live Revision 21 response describes the +25% line for covered China-origin articles under U.S. note 31(g). | Endpoint checked 2026-10-11 |
| S113 | USITC HTS API - Chapter 99 line 9903.03.01 | Live Revision 21 response lists an additional 10% line, subject to the current note text and listed exclusions. | Endpoint checked 2026-10-11 |
| S114 | White House Proclamation 11012 - temporary import surcharge | The original proclamation states a 10% surcharge for a 150-day period through 2026-07-24 unless extended by an Act of Congress; check later authorities and the current HTS note before applying it. | Proclamation dated 2026-02-20; page checked 2026-10-11 |
| S115 | Federal Register - CBP postal informal entry rule 2026-12669 | Sets the postal de minimis suspension and new informal-entry process; the rule is effective 2026-07-24, with specified data-field compliance due 2026-10-22. | Published 2026-06-24 |
Where-to-buy policy and HTS sources [S109]-[S115] checked on 2026-10-11; current tariff applicability still requires entry-specific review.
6) Concept boundaries and applicability rules
These boundaries are used to prevent over-interpretation of catalog labels and to define where additional evidence is mandatory.
| Boundary | Meaning | Use when | Do not use when | Source ref |
|---|---|---|---|---|
| BHmax headline is not assembly force | Energy-product labels compare material potential, not guaranteed pull force in your magnetic circuit. | Use BHmax as first-pass screening with geometry and load-line assumptions declared. | Do not rank suppliers by BHmax alone when measurement method or working point is undisclosed. | [S6][S7][S8] |
| Grade suffix is a planning shortcut | N/M/H/SH/UH/EH/AH ranges are commonly used in commerce but are not a standalone release criterion. | Use suffix classes for early lane gating before detailed BH-curve and demag checks. | Do not treat suffix labels as universal guarantees across vendors without material test disclosure. | [S6][S7] |
| Salt spray is comparative, not life prediction | Salt-fog testing helps compare coating options in controlled chambers. | Use as a screening gate with replication and clear acceptance criteria. | Do not map salt-spray hours directly to field-life commitments without corroborating long-term exposure data. | [S10] |
| High-temperature NdFeB can raise heavy-RE exposure | Programs near EH/AH lanes can become more sensitive to Dy/Tb availability and export controls. | Trigger dual-lane sourcing and fallback windows before RFQ lock when adjusted peak duty is high. | Do not assume global supply expansion alone removes element-specific licensing or concentration risks. | [S2][S4][S5] |
| Thermal stability data has defined scope | Published stability studies include specific time/temperature windows and may exclude corrosion-coupled behavior. | Use the tested windows (for example 50C to 200C, up to 1000 h) as boundary references only. | Do not extrapolate beyond reported conditions without additional testing for corrosion, duty cycling, and geometry effects. | [S9] |
| Air-shipment eligibility is package-level | Air transport screening uses measured package field at distance, not grade labels or nominal BHmax claims. | Apply before booking aircraft lanes for strong assemblies, kits, or mixed shipments. | Do not assume a magnet is flyable because the material passes engineering performance targets. | [S19] |
| Consumer magnet safety scope is conditional | U.S. 16 CFR part 1262 addresses consumer products containing hazardous loose magnets defined by size and flux index. | Use when end products can release accessible loose magnets in consumer channels. | Do not overgeneralize as a universal industrial exemption; verify product scope and exemptions first. | [S20][S21] |
| Tariff logic is classification- and timing-specific | The USTR 2026 permanent-magnet rate increase is mapped to HTS 8505.11.00 and entry timing, not to every generic "neodymium magnet" quote headline. | Use before committing U.S.-bound pricing, especially for shipments around 2025-Q4 to 2026-Q1 cutover. | Do not assume one universal duty outcome without broker-confirmed classification and entry-date assumptions. | [S29] |
| Consumer-magnet compliance scope has explicit limits | The CPSC magnet rule addresses subject consumer products and excludes products sold solely for educational, research, professional, commercial, or industrial use. | Use when SKUs can cross from industrial into aftermarket or mixed consumer channels. | Do not claim full exemption for mixed-channel SKUs without documented distribution controls and product-scope review. | [S30] |
| Enforcement activity can remain material at low sales volume | Recent CPSC warnings show that even relatively small sales counts can trigger public enforcement communications. | Use when evaluating aftermarket kits, pilot e-commerce channels, or accessory bundles containing accessible magnets. | Do not treat low unit volume as a substitute for formal rule-scope and flux-index screening. | [S31] |
| Statistical suffix is not a stand-alone duty table | In the USITC dataset, 8505.11.00.70 identifies sintered NdFeB as a statistical line, while the baseline duty values are published on the parent heading 8505.11.00. | Use when normalizing vendor quotes that list statistical suffixes without explicit parent-duty assumptions. | Do not infer a separate tariff rate from the suffix line alone when parent-heading rates and chapter-99 overlays are not documented. | [S111][S112] |
| Industrial-only channel exclusion requires strict scope control | 16 CFR part 1262 keeps products outside subject-magnet scope only when distribution is solely for educational/research/professional/commercial/industrial purposes. | Use when drafting channel-lock clauses, distributor terms, and SKU scoping for magnet products sold for industrial use. | Do not assume exemption durability if the same SKU can appear in consumer-intent listings or mixed resale channels. | [S35] |
7) Material comparison and tradeoffs
Compare material routes using reproducible dimensions instead of marketing-only descriptors.
| Decision dimension | Sintered NdFeB | Bonded NdFeB | SmCo | Comment | Source ref |
|---|---|---|---|---|---|
| Typical magnetic energy density window | 28-54 MGOe in Arnold grade data | <=16 MGOe (isotropic), up to ~25 MGOe (anisotropic) | 18-35 MGOe across Arnold RECOMA grades | Supplier catalog values are grade-specific references; geometry and working point still shift usable output. | [S116][S11][S117] |
| Planning temperature ceiling | Commercial planning classes often run through AH around 220C (verify by curve and load-line) | Typically lower than sintered due to polymer binder constraints | Used as high-temperature fallback; IEC TR 62518 discusses elevated-temperature stability behavior | Use adjusted peak temperature, not ambient. Final limit must come from vendor curves under your duty profile. | [S9] |
| Shape freedom and manufacturing | Strong but brittle; machining tolerance management is critical | Higher shape freedom for complex and thin-wall geometries | Brittle ceramic-like behavior; machining control required | Shape complexity can justify bonded routes even when peak BHmax is lower. | [S11] |
| Corrosion baseline | Coating usually required (Ni-Cu-Ni, epoxy, or equivalent) | Binder contributes baseline protection but media compatibility must still be verified | Better inherent corrosion behavior in many environments | ASTM B117 / IEC 60068-2-11 are gate checks, not direct life models. | [S10] |
| Supply concentration exposure (2035 view) | High for Nd/Pr, and potentially Dy/Tb in high-temperature coercivity lanes | Still tied to rare-earth feedstock plus binder/process dependencies | Different critical-material exposure profile (includes cobalt) | IEA N-1 analysis shows concentration shock can leave only 35%-40% coverage for rare-earth linked chains. | [S4] |
| Measurement comparability baseline | Require demag curve + recoil line under disclosed method | Request the same measurement family and working-point disclosure | Normalize by same method before ranking across vendors | IEC 60404-5 and IEC 60404-18 describe measurement methods; IEC 60404-8-1 defines minimum property specifications. | [S6][S7][S8] |
| Best-fit program conditions | General high-flux motors, sensors, compact electromechanics | Complex geometry, high-volume molding, lower peak flux density demands | Very high-temperature or severe thermal-cycle duty | Always close loop with demag, corrosion, and thermal evidence before release. | [S5][S9] |
| Logistics and consumer-compliance friction | High-field packages can breach air-carriage thresholds; loose consumer magnet formats need explicit safety screening. | Lower energy density can reduce some package-field pressure, but product-level safety checks still apply. | No automatic exemption; package-field and end-use safety scope must still be verified. | Inference from [S11][S19][S20]: compliance is tested at package/product level, not guaranteed by material family alone. | [S11][S19][S20] |
| U.S. landed-cost sensitivity after 2026-01-01 | Most common route for high-flux assemblies, but U.S. tariff exposure can materially shift landed-cost ranking when HTS 8505.11.00 applies. | May trade lower energy density for cost stability in some geometries if classification and route assumptions differ. | Different chemistry may alter exposure profile, but no automatic exemption from trade/compliance analysis. | Inference from [S29]: policy-sensitive cost comparisons need classification and entry-date assumptions alongside technical fit. | [S29] |
| Current tariff evidence before supplier ranking | Use the live 2026HTSRev21 heading result and verify whether the listed 9903.91.06 and 9903.03.01 lines apply to the SKU, origin, and entry date. | Do not assume the same line applies if the imported article or classification differs; compare the broker-confirmed entry form and notes. | A chemistry change alone does not settle classification, origin, or additional-duty applicability. | Current endpoint values are a dated screening input; the exact landed-cost treatment remains a broker/CBP classification question. | [S109][S111][S112][S113][S114] |
8) Risk matrix and mitigation
Misuse risk, cost risk, and scenario mismatch risk are shown together so the team can sequence mitigation actions.
| Risk | Probability | Impact | Mitigation |
|---|---|---|---|
| Thermal misclassification versus real hotspot duty | Low | Medium | Recalculate adjusted operating + peak duty with measured cycle data and confirm class with demag-curve checks before PO. |
| Coating-lifecycle mismatch under real media exposure | Medium | Medium | Map media profile to explicit corrosion + thermal-cycle tests and define pass/fail criteria up front. |
| Supplier data non-comparability (test method mismatch) | Medium | Medium | Require method disclosure (IEC 60404 family) and normalize working points before ranking quotes. |
| High-temperature lane heavy-rare-earth exposure | Medium | Medium | When adjusted duty approaches EH/AH lanes, request Dy/Tb exposure disclosure and define export-control fallback triggers before award. |
| Supply concentration shock during launch window | High | Medium | Maintain contingency lane and pre-define switch triggers for temperature, lead time, and cost tolerance. |
| Prototype and recurring-production lanes merged into one sourcing decision | Medium | Medium | Version prototype and recurring-production quotes separately and keep entry-date/origin assumptions visible in both. |
| Air-lane rejection despite technical material fit | Medium | Medium | Measure shipment-ready package fields before booking, prepare shielding iterations, and pre-authorize a surface-transport fallback workflow. |
| Consumer-channel compliance mismatch | Medium | Medium | Before release, confirm whether the SKU enters consumer magnet scope, then align flux-index testing, warnings, and channel restrictions. |
9) Open evidence gaps and minimum closure path
Where public evidence is incomplete, this page does not force a hard conclusion. Each gap includes a minimal executable closure action.
| Evidence gap | Current status | Decision impact | Minimum closure action | Source ref |
|---|---|---|---|---|
| Cross-supplier suffix mapping to guaranteed demag margin | No single public standard mapping N/M/H/SH/UH/EH/AH suffix labels to guaranteed in-application demag reserve. | Quote comparisons can look equivalent while actual thermal headroom differs by method and working point. | Request vendor-specific BH curves, recoil data, and temperature conditions before release decisions. | [S6][S7] |
| Salt-spray hours to field-life conversion | No reliable universal conversion model in open standards; ASTM B117 warns stand-alone correlation is seldom robust. | Warranty and lifecycle assumptions can be overstated if fog-hour data is treated as direct service-life evidence. | Pair chamber tests with application-specific thermal/media cycling and clearly documented acceptance criteria. | [S10] |
| Corrosion-coupled high-temperature flux-loss dataset for each coating stack | Public IEC thermal-stability report excludes corrosion-coupled behavior modeling for full lifecycle prediction. | High-temperature and aggressive-media programs may underestimate long-term drift and reserve loss. | Run combined thermal + corrosion + load-line validation for each candidate stack before final PO. | [S9] |
| Program-specific heavy-rare-earth exposure breakdown | Public macro data confirms concentration risk, but part-level Dy/Tb intensity is typically supplier-confidential. | Lead-time and export-license risk can remain hidden until late sourcing stages. | Add material disclosure checkpoints and contingency triggers in RFQ templates. | [S2][S4] |
| Package-field prediction from CAD/BHmax alone | No reliable universal public model converts part-level grade and geometry into certified package-field outcomes at transport distance. | Teams can discover non-compliant shipping configurations late, after packaging design and launch schedules are locked. | Run measured package-field checks on shipment-ready units and reserve shielding iteration time before booking. | [S19] |
| Cross-HTS landed-cost model for finished magnet assemblies | No reliable public dataset provides one-click duty outcomes across all neodymium magnet assembly classifications, add-on tariff programs, and entry-date scenarios. | Programs can understate landed-cost variance when they model a single duty assumption for all BOM variants. | Build broker-reviewed scenario sheets per HTS candidate and entry window before final supplier award. | [S29] |
| Mixed-channel proof for industrial-only exemption claims | No reliable public universal template defines evidence sufficiency when products move between industrial and consumer-adjacent channels. | Teams may rely on informal channel labels that fail when marketplace distribution or aftermarket bundling changes. | Define channel-lock controls, contractual restrictions, and periodic listing audits before launch. | [S30][S31] |
| Evidence threshold for proving solely-industrial distribution | No reliable public universal checklist defines sufficient evidence for maintaining the solely-industrial channel boundary across marketplaces. | Programs may overstate exemption confidence and face late compliance rework if channel drift is discovered post-launch. | Define channel-lock controls, distributor attestations, and recurring listing audits before scale-up. | [S35] |
| Automatic quote-book updates across HTS release revisions | No public one-click feed on this page reconciles every saved quote line with the current HTS release, imported form, origin, and Chapter 99 notes. | Procurement teams may compare suppliers using mixed release snapshots or unverified suffix-level assumptions. | Store the release ID and extraction date with each quote; have the broker confirm the entry-specific classification and overlays. | [S109][S110][S111][S112] |
| Current applicability of HTS line 9903.03.01 | The live Revision 21 API lists +10%, while the original Proclamation 11012 text specifies an end date of 2026-07-24 unless extended. This page does not decide later authority or SKU-level exceptions. | An unverified tariff assumption can reverse the apparent price ranking between sourcing lanes. | Confirm the current Chapter 99 note, later authorities, product exceptions, origin, and entry date with a customs broker before RFQ award. | [S113][S114] |
Labeling policy: when reliable public data is insufficient, status is marked as "no reliable public data" and converted into a validation task instead of a forced conclusion.
10) Scenario examples
Each scenario includes assumptions, tool outcome, and minimum executable next step.
Assumptions
Peak 145C, humid but sealed enclosure, target flux 820 mT, annual volume 120k.
Outcome
Fit: SH/UH sintered NdFeB lane with epoxy-over-Ni coating and standard validation depth.
Next step
Proceed with NdFeB primary lane and run salt-mist + thermal cycle validation before pilot freeze.
Assumptions
Peak 198C, coolant splash exposure, target flux 960 mT, annual volume 45k, automotive compliance.
Outcome
Conditional: EH/AH planning window with tighter demag reserve checks and contingency lane recommendation.
Next step
Open parallel SmCo contingency lane until demag and corrosion evidence both pass program criteria.
Assumptions
Peak 238C, high corrosion medium, target flux 680 mT, low annual volume, medical-grade audit controls.
Outcome
Not fit: adjusted thermal duty exceeds AH planning envelope for NdFeB.
Next step
Prioritize SmCo fallback or architecture redesign before spending cycle budget on high-risk NdFeB trials.
Assumptions
Peak 172C, humid industrial floor, target flux 910 mT, annual volume 80k, products destined for EU compliance lanes.
Outcome
Conditional: NdFeB is technically feasible but procurement path is gated by CRMA traceability and recycled-content disclosure readiness.
Next step
Hold dual-source lane and lock supplier traceability payload (origin + recycled content assumptions) before line-freeze milestone.
Assumptions
Peak 142C, target flux 840 mT, industrial automation assembly shipping into the U.S. with first commercial entries planned for 2026-Q1.
Outcome
Conditional: technical fit remains viable, but landed-cost confidence depends on HTS verification and pre/post-2026 entry-date planning.
Next step
Prepare two RFQ baselines (pre-cutover and post-cutover), validate classification with broker support, and hold a fallback route until landed-cost uncertainty closes.
Assumptions
Peak 118C, target flux 760 mT, small batch accessories sold first to integrators but at risk of downstream consumer listing.
Outcome
Conditional: magnetic performance is acceptable, yet compliance risk rises because consumer-scope assumptions can change after channel expansion.
Next step
Document channel controls, verify rule scope early, and enforce periodic listing audits to avoid late enforcement surprises.
Assumptions
Identical 8505.11.00.70 magnet geometry quoted by two suppliers; one lane enters the U.S. from China after 2026-01-01, the other lane is priced under a special-rate eligible origin path.
Outcome
Conditional: engineering fit is equivalent, but landed-cost and compliance confidence diverge because duty overlays and channel-scope obligations differ.
Next step
Split RFQ scoring into technical-fit, tariff-layer, and channel-scope columns; keep both lanes open until origin evidence and distribution controls are confirmed.
Assumptions
A U.S.-bound neodymium magnet prototype is sent through the international postal network after CBP’s 2026-07-24 rule effective date.
Outcome
Conditional: do not assume the old <$800 duty-free path. The current postal entry process and any applicable duties must be confirmed for the shipment.
Next step
Before dispatch, confirm the carrier or broker filing route and required data; recheck the 2026-10-22 compliance transition against current CBP instructions.
11) FAQ (decision-focused)
Questions are grouped by decision intent so teams can move from explanation to execution.
12) Next action
Share your duty profile and we will return a material-lane recommendation with grade window, coating strategy, validation checklist, and RFQ normalization notes.
Product Gallery
Disc magnets in various sizes
Specifications
| Grades | N35-N52; high-temp grades on request |
| Dimensions | Custom per drawing |
| Coatings | Ni-Cu-Ni, Zinc, Epoxy, Gold (on request) |
| Tolerance | Typical +/-0.05 mm (confirm per drawing) |
| MOQ | Available on request |
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Reference Guides
Procurement-ready guides covering grades, coatings, QC, and RFQ prep.
Coatings & Corrosion
Corrosion protection for rare earth magnets
Environment-based guidance for selecting coatings and corrosion controls.
Manufacturing & Quality
Inspection and testing for NdFeB magnets
How to define inspection scope, measurement methods, and acceptable criteria.
Sourcing & Logistics
Magnet storage and handling safety
Storage, handling, and packaging guidance to avoid chipping, demagnetization, and injury.
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RFQ checklist
- Dimensions and shape (include drawing if possible).
- Grade and operating temperature range.
- Coating or surface treatment requirements.
- Quantity, target price, and delivery schedule.
- Tolerance, magnetization direction, and application notes.
Spec sheet downloads
Reference assets to speed up RFQ prep. Confirm specs before ordering.
NdFeB spec sheet (reference)
Grades, coatings, and RFQ checklist for NdFeB magnets.
SmCo spec sheet (reference)
High-temperature SmCo summary and RFQ checklist.
Ferrite spec sheet (reference)
Cost-optimized ferrite basics and RFQ checklist.
Alnico spec sheet (reference)
High-temperature Alnico grades and RFQ checklist.
Bonded NdFeB spec sheet (reference)
Bonded NdFeB process notes and RFQ checklist.
Flexible rubber magnet spec sheet (reference)
Flexible magnet tape basics and RFQ checklist.
Magnetic assembly spec sheet (reference)
Pot magnet assembly fundamentals and RFQ checklist.
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Product data is sourced from partner suppliers and confirmed per order.
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