| 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] |
| HTS baseline for permanent magnets of metal (U.S.) | HTS 8505.11.00 shows General 2.1%, Special Free for listed trade programs, and Other 45% | USITC HTS current release 2026HTSRev3, accessed 2026-02-21 | A single tariff headline can misprice quotes; origin program status must be validated before comparing landed costs. | [S32][S33] |
| Chapter 99 overlay for China-origin entries | HTS 9903.91.06 states applicable subheading duty +25% for covered China-origin articles entered on or after 2026-01-01 | USITC HTS search endpoint, accessed 2026-02-21 | For-sale quote sheets should be versioned by entry date and origin instead of reusing pre-2026 assumptions. | [S34] |
| 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] |
| USITC release state for audit-ready quote books | currentRelease endpoint reports 2026HTSRev4; Revision 4 release date listed as 2026-02-25 | USITC endpoints/pages accessed 2026-03-07 | Where-to-buy comparisons should pin every quote to a named HTS release so duty assumptions can be reproduced. | [S66][S67] |
| Alternative heading baseline spread inside heading 8505 family | General duty: 8505.11.00 = 2.1%, 8505.19.10/.20/.30 = 4.9%, 8505.90.75.01 = 1.3% | USITC HTS search endpoints accessed 2026-03-07 | Two technically similar magnet offers can diverge on landed cost before any Chapter-99 overlays when heading assumptions differ. | [S33][S73][S74] |
| Temporary import surcharge window (U.S. 2026) | Proclamation 10908 sets an additional 10% ad valorem duty for 150 days, from 2026-02-24 through 2026-07-24, subject to listed annex exceptions | Federal Register document 2026-03824 published 2026-02-25 | Prototype and bridge-buy timing can materially change landed cost, so RFQs need time-phased duty scenarios. | [S68] |
| De minimis boundary for covered imports | EO 14388 continues suspension of 19 U.S.C. 1321(a)(2)(C) duty-free treatment for covered articles regardless of value or shipment mode | Federal Register document 2026-03829 published 2026-02-25 | Low-value parcel assumptions can fail after policy shifts; where-to-buy decisions should not rely on old <$800 heuristics. | [S69] |
| Binding-classification authority boundary | USTR HTS guidance states CBP is solely authorized to interpret HTS and issue legally binding tariff rulings | USTR HTS resource page accessed 2026-03-07 | Supplier-provided headings are inputs, not legal outcomes; high-volume buys should close with broker/CBP review before PO lock. | [S70] |
| EU online-channel trigger under GPSR | Regulation (EU) 2023/988 applies from 2024-12-13; distance-sale offers targeted to EU consumers are treated as products made available on the market | EUR-Lex consolidated text accessed 2026-03-07 | If the buy path includes EU-facing online offers, listing data and responsible-person readiness become part of supplier qualification. | [S71] |
| Incoming-lot acceptance baseline update | ISO 2859-1:2026 (edition 3) replaces the 1999 edition and adds skip-lot and switching frameworks for lot-by-lot inspection | ISO publication date 2026-01 | Where-to-buy decisions should include an explicit acceptance-sampling plan, not only certificates and first-article pass results. | [S72] |
| CBP assembly-classification counterexample | HQ H341222 held a neodymium magnet plus stainless-steel yoke assembly under 8483.90.80 (2.8% general), not heading 8505 | CBP ruling dated 2024-09-26; page accessed 2026-03-20 | Where-to-buy quote normalization must follow imported form and end-use function, not magnet chemistry alone. | [S84] |
| Substantial-transformation counterexample for light finishing | CBP N320693 held that gluing magnets into a Chinese stator housing and attaching a bearing in Mexico did not substantially transform that stator subassembly | CBP ruling dated 2021-07-28; page accessed 2026-03-20 | Ship-from country or light finishing lane does not automatically reset origin assumptions in supplier comparisons. | [S85] |
| Minimum GPSR distance-sale information set | EU-targeted offers should show manufacturer contact, EU responsible-person contact when relevant, product identifier/image, and warnings or safety information | Regulation (EU) 2023/988 applicable from 2024-12-13; text accessed 2026-03-20 | EU lead-gen or checkout pages need a listing-ready evidence pack before go-live, not only a product image and inquiry CTA. | [S86] |
| EU online-product surveillance scale (2025) | Safety Gate 2025 reported 4,671 alerts, 5,794 follow-up actions, >1.6M URLs inspected, >20,800 dangerous-product URLs, and >1,200 marketplaces registered | European Commission report page accessed 2026-03-20 | Marketplace and listing-readiness gaps are operational sourcing risks, not theoretical future issues. | [S87] |