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precipitated silica powder(silicon dioxide)
We provides silica for rubber, tyre, papermaking, silica gel, paints and coating
precipitated silica powder ( silicon dioxide ) Una.180
Una.180 is a white amorphous powder and granule that dissolves in caustic alkali and hydrofluoric acid. It does not dissolve in other acids, water and other kind of melting agents. This product can be used in soles, tire, silicon rubber, plastic, painting and medicine.
Packing: PP/woven bag, EVA/woven bag, kraft paper bag
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Range of application
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Tint, color, transparent rubber product
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Technical Index:
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Item
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Value
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Appearance
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White Powder
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Loss on drying 105oC , 2h %
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4.0 - 8.0
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Ignition loss 1000oC %
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≤7.0
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PH value
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5.0-8.0
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CTAB specific surface area m2/g
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110 - 240
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DBP absorption value cm3/g
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2.10 - 3.50
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SiO2%
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≥93.0
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Femg/kg
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≤1000
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Sieve residue 45um %
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≤0.5
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