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Precipitated Silica Wholesale 7699-41-4

Item Silicone 160 Silicone 180
Appearance White flakes / powder White flakes / powder
Loss on drying 105℃ 2h % 4.0 - 8.0 4.0 - 8.0
Lgnition loss   1000℃  % ≤7.0 ≤7.0
PH value 5.0 - 8.0 5.0 - 8.0
BET specific surface area  m2/g 160 - 175 175 - 195
DBP absorption value  cm3/g 2.00 - 3.50 2.00 - 3.50
SiO2 ( on dry base ) % ≥93 ≥93
Na2SO4 % ≤1.50 ≤1.50
Precipitated Silica is mainly used as bulking agent of tyre, shoes sole, also used in pesticide, dope and other silicon compound，carrier for anti-caking，food and feed additives.

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