PRECIPITATED SILICA White Carbon Black CAS NO. 10279-57-9
CAS No.: 7631-86-9
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Product name: Precipitated Silica Molecular Formula: SiO2.nH2O CAS No.: 7631-86-9 |
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SPECIFICATION
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Item |
Richon-175G |
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Appearance |
White granular |
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BET specific surface area, m2/g |
160-181 |
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SiO2 content (on dry basis) (Min) ≥ % |
90 |
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Loss on drying(105℃, 2h) (Max) ≤ % |
7.0 |
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Loss on ignition(on dry basis) (Max) ≤ % |
7.0 |
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pH value |
5.0-8.0 |
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Fe content (Max) ≤ mg/kg |
500 |
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DBP absorption value, cm3/g |
2.30-3.00 |
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Water soluble matters (Max) ≤ % |
2.5 |
Properties: White granular. Insoluble in water and acid; soluble in caustic soda and hydrofluoric acid.
Application: Mainly used as bulking agent of tire, plastic shoes sole, also used in pesticide, dope and other silicon compound.
Packing: In 20kgs bag.
Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the packaged product to direct sunlight.
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