Antimony: The Metal China Can Switch Off
Almost nobody has heard of antimony. It hardens the lead in ammunition, boosts flame retardants in plastics and textiles, alloys the lead in car batteries, and dopes some semiconductors. And one country mines nearly half the world's supply of it, and refines far more of it than that.
This video traces what China did with that position: licensing antimony exports from August 2024; a two-clause measure in December 2024 that permanently banned exports to any US military end-user, and separately barred almost all civilian exports to the United States too; a one-year suspension of that second, civilian clause from November 2025; and the date everyone in the supply chain is now watching — 27 November 2026, when that suspension runs out, with no source found stating what happens automatically when it does.
It explains why Tajikistan and Vietnam, the next-largest producers, cannot simply replace China's supply: both mine far less, and most of what Tajikistan does mine still goes to China to be refined. And it covers America's three answers in motion at once — a $245 million Defense Logistics Agency stockpile contract with United States Antimony Corporation, a $27 million smelter expansion in Thompson Falls, Montana, and Perpetua Resources' Stibnite project in Idaho, holding an identified reserve of about 148 million pounds and still being tested against military specifications.
Prices have more than doubled since 2024, and the United States now imports 91% of the antimony it consumes. The video closes by placing antimony alongside gallium, germanium and rare earths, as one pattern rather than one crisis, and names what is still genuinely open: whether the suspension is renewed, whether US production reaches meaningful scale in time, and what a lapse would actually mean for the buyers now bracing for one.
Every figure is traced to a named, dated source in this video's own fact-checking; two items in the original brief — an unverifiable May 2026 export-collapse statistic, and a claim naming the wrong US agency behind the Idaho mine's funding — were corrected or cut after checking primary and press sources directly.
Educational documentary. Not financial or investment advice.
In these topics
Chapters
- A metal nobody's heard of, switched off
- What antimony actually does
- Who mines it, who refines it
- August 2024: licensing begins
- December 2024: the defence-use ban
- November 2025: the suspension
- The watched deadline: November 2026
- Why alternatives can't fill the gap
- America's answer: stockpiling and new mines
- Prices and the squeeze on buyers
- One metal, a wider pattern
- What to watch next
Sources and credits
Photo credits (Wikimedia Commons)
- Stibnite Mining District, Idaho (Yellow Pine/Stibnite gold-antimony-tungsten area) - the Perpetua Resources Stibnite project site named in Ch9: USGS, Public domain - https://commons.wikimedia.org/wiki/File%3AStibnite_Mining_District.jpg
- 5.56x45mm NATO M855A1 cartridge and bullet (US Army, Picatinny Arsenal) - real ammunition cartridge for the lead-hardening/ammunition use named in Ch2: PICATINNY ARSENAL, N.J., Public domain - https://commons.wikimedia.org/wiki/File%3AM855A1_cartridge_and_bullet.jpg
- Lead-acid car battery - real product photo for the battery-alloy use named in Ch2: No machine-readable author provided. Shaddack assumed (based on copyright claims)., Public domain - https://commons.wikimedia.org/wiki/File%3APhoto-CarBattery.jpg
Primary sources
- China Ministry of Commerce and General Administration of Customs, Announcement No. 33 of 2024, 15 Aug 2024 (effective 15 Sep 2024) — the six-category antimony export licensing regime.
- China Ministry of Commerce, Announcement No. 46 of 2024, 3 Dec 2024 — the two-clause measure: a permanent ban on exports to any US military end-user/end-use, and a separate, broader bar on civilian exports to the United States.
- China Ministry of Commerce, suspension announcement, 9 Nov 2025 — suspending the December 2024 announcement's second (civilian) clause for one year, to 27 Nov 2026; the military-use clause is unaffected.
- US Geological Survey, Mineral Commodity Summaries 2026 — Antimony, pubs.usgs.gov/periodicals/mcs2026/mcs2026-antimony.pdf — 2025 mine production by country, world total, US price series 2021-2025, and US import reliance 2023-2025.
- Center for Strategic and International Studies, 'China's Antimony Export Restrictions: The Impact on U.S. National Security', csis.org/analysis/chinas-antimony-export-restrictions-impact-us-national-security — China's 48% share of global mine production; 78% of Tajikistan's and 86% of Australia's antimony exports going to China for refining; China's 63% pre-2024 share of US antimony imports.
- mining-technology.com, 'USAC secures $245m US defence contract for antimony supply', and United States Antimony Corporation Form 10-Q/10-K (SEC), 2025-2026 — the Defense Logistics Agency sole-source stockpile contract and its first delivery order.
- geomechanics.io, 'US Antimony $27m DPA funding', 2026, and United States Antimony Corporation SEC filings — the Defense Production Act Title III award for the Thompson Falls, Montana smelter expansion.
- PR Newswire via mining-technology.com, 28 May 2025, and Perpetua Resources Corp. Form 10-Q (SEC) — the US Army Defense Ordnance Technology Consortium funding for the Stibnite project's antimony trisulfide testing.
Not regulated financial advice.