antimony trioxide

DETAILS
 

Items	Standard
	Sb2O399.90	Sb2O399.90	Sb2O399.80	Sb2O399.70	Sb2O399.50
Sb2O3≥	99.90	99.90	99.80	99.70	99.50
AS2O3≤	0.01	0.03	0.06	0.06	0.06
PbO≤	0.01	0.05	0.06	0.08	0.08
Fe2O33≤	0.01	0.002	0.005	0.006	0.006
CuO≤	0.001	0.002	0.002	0.002	0.002
Se≤	0.0005	0.002	0.004	0.004	0.004
Bi≤			0.004	0.005	0.005
Cd≤
Cr≤
Hg≤
whiteness≥	97	96	96	95	95
Average particle size(μｍ)	0.5-0.7	0.5-0.7	0.5-0.7 0.9-1.2	0.9-1.2	0.9-1.2

USAGES:
 
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. Used as deactivators in the catalytic cracking and catalytic reforming processes of heavy oil and residual oil of petroleum.
 
PHYSICAL&CHEMICAL PROPERTIES:
 
CAS Number: 1309-64-4
Appearance:  White powder
Chemical formula:Sb2O3
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.