Antimony Trioxide / CAS Number 1309-64-4 

White crystalline powder. Antimony trioxide is the earliest application as flame retardant, the company produces Sb203 with such characteristics as high purity, high whiteness, narrow size and more than 98% cubic crystal.  Level 99.90 products can be used as bottle grade polyester catalyst. Packing:In paper bags of 25kgs net each, 40 bags on a pallet. In supersacks of 500/1000kgs net each with pallet of 1000kgs. Product of defferent specifications and packing is also available according to sustomer's specific requirements.