Sare Mining High Purity Granular Antimony Pure antimony granules, specially sized for precision casting processes, lead alloys, and the ammunition industry, in an easily fusible form. Electrolysis Method Produced in our factory's modern facilities by means of the Electrolysis Method, purified for minimum impurity and maximum performance. 99.90%+ Sb Standard / Request Electrolysis With Certificate of Analysis (COA)