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Name: Fire-method Antimony Trioxide |
Molecular formula: Sb2O3 |
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Molecular weight: 291.5 |
CAS No.: 1309-64-4 |
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Melting point：656℃ |
Melting point：1425℃ |
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Crystal structure：Cubic structure |
Electrical conductivity：Poor conductor |
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Pigmentation degree：High |
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Dissolubility：in Hydrochloric acid, tartaric acid, caustic alkali ；Not in water, nitric acid. |
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The product is widely used as fire-resisting additive for plastic, rubber, oil paint, weave, chemical fiber industry. And it also can be used in such business as glass, electronics, pottery, porcelain, and fluorescence powder.
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Grade |
Sb2O3 99.80 |
Sb2O399.50 |
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Chemical compositions（%） |
Sb2O3 Min |
99.80 |
99.50 |
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Impurity Max |
As2O3≤ |
0.03 |
0.05 |
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PbO≤ |
0.02 |
0.08 |
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Fe2O3≤ |
0.003 |
0.003 |
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CuO≤ |
0.002 |
0.002 |
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Se≤ |
0.001 |
0.002 |
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Bi≤ |
0.004 |
0.005 |
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Physical Properties |
Whiteness（%）Min |
96 |
95 |
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Average particle size（um） |
0.4~1 |
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The standard package is 25Kg/ in brown paper bags with BOPP membrane covered outside and brained cloth covered inside, 1Ton/Tray. The large packages—500kg and 1,000kg are also available. It also can be packed according to customers’ demands. It should be stored in dry places.
You can discuss with the supplier if there are special requirements on the chemical compositions and physical properties of Sb2O3. We can design the recipe according to customers’ requirements.
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Changzhou ELKE Chemical Co., Ltd.
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