PHYSICAL & CHEMICAL PROPERTIES：
CAS Number：1309-64-4
Appearance：White powder
Chemical formula：Sb2O3
Molecular weight：291.50
Melting point：656℃
Boiling point：1425℃
Specific gravity：5.2
Solubility：soluble in HCL and tartaric acid; insoluble in water and acetic acid.
Application：
Used as flame retardant additives for materials such as Polyethylene, Polypropylene, Polystyrene, PVC(Polyvinyl Chloride),Nylon, Engineering plastics(ABS),Rubber, Paint, Coating, Synthetic Resins and Paper,etc.;as antifoaming agent for glass fusion and bubble removing; as Catalyst for Polyester Fibers as well as the Covering agent and the Brightener for enamel and Ceramic products. It may be also applied to the petroleum heavy oil, residual oil, catalytic cracking and catalytic reforming process as the passivating agent.
Grade & Spezifikationen：
牌号 | Sb2O399.90 | Sb2O399.80 | Sb2O399.50 |
化学成分(%) Chemical composition | Sb2O3不小于 | 99.90Ⅰ | 99.80Ⅱ | 99.80Ⅰ | 99.80Ⅱ | 99.50 |
杂质不大于 Impurities content | As | 0.0100 | 0.0200 | 0.0300 | 0.0450 | 0.0450 |
Pb | 0.0100 | 0.0300 | 0.0400 | 0.0800 | 0.0900 |
Fe | 0.0010 | 0.0030 | 0.0050 | 0.0050 | 0.0060 |
Cu | 0.0010 | 0.0020 | 0.0025 | 0.0025 | 0.0025 |
Se | 0.0010 | 0.0015 | 0.0040 | 0.0040 | 0.0050 |
Bi | 0.0010 | 0.0010 | 0.0030 | 0.0050 | 0.0050 |
Cd | 0.0005 | 0.0005 | 0.0010 | 0.0010 | 0.0010 |
物理性能 Physical properties | 白度不小于 Whiteness | 96 | 96 | 95 | 95 | 95 |
平均粒度(μm) Average pariticle size | 0.4-0.9 0.9-1.2 | 0.4-0.9 0.9-1.6 | 0.4-0.9 0.9-1.6 1.6-2.5 |
EG溶解透光率不少于(%) Transmittance in EGsolution | 97 | - | - |
B*值(色值)不大于 B*color | 1.2 | - | - |
Packaging：
Packed in 20/25kgs Kraft paper bags with the inner of PE bag,1000kgs on wooden pallet with plastic-film protection. packed in 500/1000kgs net plastic super sack on wooden pallet with plastic-film protection. Or according to buyer's requirements.