Focus: Antimony
Class: Tier 1 Urgency — Defense, Grid Hardening, Flame Retardants
⛓️ What’s Happening
China now controls over 84% of the world’s antimony supply — and recent reports suggest delays at ports and pricing pressure are tightening the global pipeline. Antimony is crucial for military-grade alloys, grid-scale battery storage, and flame-retardant systems.
Meanwhile, the U.S. Defense Logistics Agency (DLA) added antimony to its high-priority stockpile list, and Perpetua Resources is advancing the only near-term U.S. source.
🔍 Strategic Takeaways
Antimony is a choke point in the U.S. defense and energy security chain.
Grid-scale batteries (esp. liquid metal batteries) rely heavily on stable antimony sourcing.
China’s internal demand for antimony is rising, likely reducing export availability further.
🔭 Companies to Watch
1. Perpetua Resources (NASDAQ: PPTA)
🇺🇸 Stibnite Project in Idaho — U.S.’s only near-term antimony mine
🔗 https://perpetuaresources.com/
2. BASF (XETR: BAS)
🇩🇪 Global supplier of flame retardants using antimony trioxide
🔗 https://www.basf.com/
3. Ambri (Private)
🇺🇸 Commercializing grid batteries using antimony-based alloys
🔗 https://ambri.com/
🏛️ Key Government & Policy Links
USGS Antimony Overview (2023):
https://pubs.usgs.gov/periodicals/mcs2023/mcs2023-antimony.pdfDLA Strategic Materials Report:
https://www.dla.mil/Strategic-Materials/China Export Monitoring – Reuters (2025):
https://www.reuters.com/markets/commodities/china-tightens-control-antimony-exports-2025-07-24/
✅ Action Points
Flag antimony as Tier 1 Watchlist priority
Monitor Stibnite permitting and DLA purchases
Watch for antimony pricing impacts on battery and defense OEMs