ANTIMONY TRIOXIDE

Synonyms : Antimony Oxide
Chemical Name : Diantimony trioxide
CAS No : 1309-64-4
Molecular Formula : Sb2O3
Molecular Weight : 291.52

Product Specifications

  Flame retardant Catalytic grade
Appearance White free flowing powder White free flowing powder
Purity (Sb2O3) 99.5% Min 99.9% Min
Moisture 0.1% Max 0.05 % Max
Arsenic (As) 500 ppm Max 100 ppm Max
Lead (Pb) 300 ppm Max 100 ppm Max
Iron (Fe) 20 ppm Max 20 ppm Max
Sulfate (SO4) 100 ppm Max 20 ppm Max
Copper (Cu) 5 ppm Max 5 ppm Max
Avg. particle size 1.1 micron 0.8 micron
Whiteness Excellent white Excellent white

Uses

  • The major use of Antimony Oxide is as a Flame Retardant synergist in plastics, rubber, textiles, adhesives, fiberglass & Paper.
  • Glass manufacturers use it as a fining agent or as degasser (to remove bubbles).
  • Porcelain and Enameling services use it as an opacifier.
  • It is a useful catalyst in the production of polyethylene terephthalate (PET plastic) and the vulcanization of rubber.

Packing : 25 kg HDPE Bag with liner