Uses: Widely used in plastics, rubber, textile, chemical fiber, pigments, paints, electronics, sugar, porcelain, ceramics and other industries, as a clarifying agent, the manufacture of glass can be used as raw material for production of metal deactivators can also be man-made catalysts for organic synthesis industry. Appearance: white crystalline powder Packing: composite paper bag, inner plastic film bag, net weight 25kg or Tam for 500kg, 1000kg container bags Handling Storage: should be handled with care, pay attention to moisture. Parameters: Trademark Grdde Sb2O399.9 Sb2O399.80 Sb2O399.5 Chemical Composition (%) antimony trioxide (Sb2O3)> ≥99.90 99.80 99.50; lead oxide (PbO) ≤0.020.04 0.08 ferric oxide (Fe2O3) ≤0.02 0.005 0.006 copper oxide (CuO) ≤0.001 0.002 0.002 selenium (Se) ≤0.002 0.004 0.005. Physical properties Whiteness% ≥97.0 96.0 95.0 Average coarse grains fine grade ≤1.6um ≤2.5um ultrafine grain size ≤0.9 um