Commodity: Antimony Trioxide grade 99.50%/ 99.80%
Chemical formula: Sb2O3 99.50%/ 99.80%
CAS Number: 1309-64-4
HS Code:282580
Appearance: White powder
Molecular weight: 291.5
Melting point: 656°c
Boiling point: 1425°c
Specific gravity: 5.2
Solubility: soluble in HCL and tartaric acid; insoluble in water and acetic acid.
Application:Used as flame retardant additives for polypropylene, polystyrene, polyvinyl chloride, nylon, ABS, rubber, paint, coating, synthetic resin, and paper. Used as activator in polyester fiber to remove the hidden air in molten glass. Used as covering agent and whitening agent in enameled and ceramic products.
Grade & Specification:
|
Grade
|
Sb2O3
99.80%
|
Sb2O3
99.50%
|
|
Chemical composition
|
Sb2O3 Min
|
99.80I
|
99.80II
|
99.5
|
|
Impurities content Max %
|
AsO
|
0.03
|
0.045
|
0.0045
|
|
PbO
|
0.04
|
0.08
|
0.09
|
|
Fe
|
0.005
|
0.005
|
0.006
|
|
Cu
|
0.0025
|
0.0025
|
0.0025
|
|
Se
|
0.004
|
0.004
|
0.005
|
|
Bi
|
0.003
|
0.005
|
0.005
|
|
Cd
|
0.001
|
0.001
|
0.001
|
|
Physical Properties
|
Whiteness
|
95
|
95
|
95
|
|
Average particle size
|
0.4-0.9 0.9-1.6
|
0.4-0.9 0.9-1.6 1.6-2.5
|
Packing: - 20/25kgs Kraft paper bags with the inner of PE bag, 1000kgs on wooden pallet with plastic-film protection.
- Or 500/1000kgs flexible bag on wooden pallet with plastic-film protection.
- Or according to buyer's requirements.
Hot tags：Antimony Trioxide 99.50% /Antimony Trioxide 99.80% / Sb2O3 / ATO /CAS 1309-64-4 /flame retardant / defoamer/ covering agent / whitening agent/
