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AT4’s Arizona-to-Nevada antimony route reaches top ASTM grade
9:22am on Tuesday 13th of October, 2026 AEDT
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Mining and Critical Minerals
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AT4’s Arizona-to-Nevada antimony route reaches top ASTM grade
9:22am on Tuesday 13th of October, 2026 AEDT
Key Points
One of five ingot samples assayed at 99.8% antimony
Sample met ASTM B237 Grade A and exceeded Regulus II
Four other samples returned between 99.5% and 99.6% antimony
White House roundtables and congressional site visits focused on funding and offtake
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American Tungsten & Antimony (ASX:AT4)
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