产品分类

Antimony trioxide

产品用途

Physical properties:

CAS number: ：1309-64-4

Appearance: white powder

Molecular formula: Sb2O3

Molecular weight: 291.50

Melting point: 656°C

Boiling point: 1425℃

Proportion: 5.2

Solubility: soluble in HCL and tartaric acid; insoluble in water and acetic acid.

Use:

Used as a flame retardant additive for polypropylene, polystyrene, polyvinyl chloride, nylon, engineering plastics (ABS), rubber, paint, paint, synthetic resin, paper and other materials. Used as an activator in polyester fiber to remove hidden air in molten glass. Used as covering agent and whitening in enamel and ceramic products. Used as a passivating agent in the catalytic cracking and catalytic reforming of petroleum and petroleum residual oil.

Grades and specifications:

Grade			Sb₂O₃99.80		Sb₂O₃99.50
Chemical composition	Sb₂O₃不小于		99.80Ⅰ	99.80Ⅱ	99.50
	Impurities content	As	0.0300	0.0500	0.0450
		Pb	0.0300	0.0500	0.0900
		Fe	0.0050	0.0050	0.0060
		Cu	0.0025	0.0025	0.0025
		Se	0.0040	0.0040	0.0050
		Bi	0.0030	0.0050	0.0050
		Cd	0.0010	0.0010	0.0010
Physical properties	Whiteness		97	96	95
Physical properties	Average pariticle size(μm)		0.4-0.9		0.8-1.5

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