Precipitated Silica Wholesale 7699-41-4

CAS No.: 7699-41-4
Type.: Silica-series
Appearance: White flakes/powder
Molecular Formula： H2O3Si
Shelf Life： -
Min Order Quantity: As requirements

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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.