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Antimony trioxide
General Properties
|
Molecular |
Sb2O3 |
Crystal system |
Cubic crystal |
|
Molecular weight |
291.5 |
Mohs hardness |
2-2.5 |
|
Melting point |
656 οC |
Conductivity |
Poor |
|
Boiling point |
1425 οC |
Pigmentation |
High |
|
Solubility |
Soluble in hydrochloric acid, tartaric acid and caustic alkali;Insoluble in water and nitric acid |
Performances and functions
|
Item\Model |
Sb2O3 99.80 |
Sb2O3 99.50 |
|
Sb2O3 % ≥ |
99.80 |
99.50 |
|
As2O3 % ≤ |
0.05 |
0.06 |
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PbO % ≤ |
0.08 |
0.10 |
|
Fe2O3 % ≤ |
0.005 |
0.006 |
|
CuO % ≤ |
0.002 |
0.002 |
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Se % ≤ |
0.004 |
0.005 |
|
Whiteness % ≥ |
96.0 |
95.0 |
|
Mean particle diameter μ m |
0.3-0.9 |
0.3-0.9 |
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0.9-1.6 |
0.9-1.6 |
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1.6-2.5 |
1.6-2.5 |
Applications： Packaging：
●Plastics and rubber ●Compound paper-plastic packaging
●Coating and adhesives ●Net weight 25kg/bag |
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