we could supply Antimony powder :
Antimony powder --99.5%min
325 mesh

Antimony Powder

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MAIN CONTENT: Antimony  99.5% min

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Particle size   325mesh  or as requested

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OTHER CONTENTS (max)%

(Sb) 99.56   (As)  0.08   (Pb)    0.18   (Fe)    0.02      (Cu)   0.05    (Se) 0.003   (S)  0.05