Hold for monday article 1 why the us rare earth supply chain remains vulnerable
中文标题
等待周一文章 1 为何美国稀土供应链依然脆弱
Core conclusion · Tlines extraction
The US rare earth supply chain remains vulnerable because its weaknesses are downstream: processing, heavy rare earth separation, and magnet manufacturing. Despite record output at Mountain Pass and some neodymium-iron-boron magnet production in Texas, the US still cannot convert enough ore into specialised materials. The IEA estimates China holds 60% of mined magnet rare earths, 91% of refining, and 94% of permanent magnet production. Diversified capacity may meet under 20% of non-China demand by 2035.
- Institution
- ING THINK
- Published
- 10/05/2026
- Research topic
- Not explicitly stated
- Time horizon
- June 2025 · 2035
Key arguments
- The main US vulnerability is not mining but midstream and downstream stages: separation, metallisation, and magnet-making, where China dominates.
- Heavy rare earths (dysprosium and terbium) are the weakest link; the US has almost no commercial separation, while MP Materials plans only ~200t/yr.
- Magnet dependence is the most immediate risk because qualified magnets are hard to substitute during a disruption.
- From 1 January 2027, US defence procurement restrictions will extend across supply chains for Chinese, North Korean, Russian, or Iranian neodymium-iron-boron and samarium-cobalt magnets.
Key numbers
- China share of mined magnet rare earths
- 60%
- China share of refined rare earth output
- 91%
- China share of permanent magnet production
- 94%
- MP Materials rare earth oxide in concentrate (2025)
- 50,692 tonnes
- MP Materials planned dysprosium/terbium separation
- ~200 tonnes/year
Main risks
- Even after announced projects, diversified magnet output outside China may meet well below 20% of non-China demand in 2035.
- New separation facilities need reliable feedstock, but heavy rare earth production is concentrated in China and Myanmar.
- Demand growth across EVs, wind, robotics, data centres, and defence may outpace diversified capacity.
Corresponding source evidence
Although supply pressures eased after the US and China reached a framework agreement in June 2025, Beijing's subsequent expansion of rare earth export controls in October highlighted the persistent vulnerability of downstream supply chains.
· June 2025The IEA estimates that, even after announced projects, diversified magnet output outside China would meet well below 20% of demand outside China in 2035.
· 2035The US Department of Defence estimates an F-35 requires more than 400kg of rare earth elements, an Arleigh Burke-class destroyer around 2.4 tonnes and a Virginia-class submarine around 4.2 tonnes.
Context: the conclusion is Tlines' automated extraction, not the institution's wording. Quoted evidence is publisher wording. Scope and date must travel with the conclusion.
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How this page was produced
Tlines extracted the conclusion, arguments, numbers and risks above from the report published by ING THINK on 10/05/2026, then structured them for comparison. The publisher's own wording is reachable through the source link on this page and is displayed in full above. Last updated 10/17/2026. Methodology · Source policy · AI usage · Request a correction