High Purity Precipitated Silica in Rubber

Precipitated Silica applied in tapes, rubber covered rollers, rubber tubes and rubber boards etc. can improve their wear resistance, and promote the wetting degree of rubber & fabric which contributes to rubber dispersion and penetration.

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High Purity Precipitated Silica in Rubber

◆Description of products

Our Precipitated Silica is made by special process, which is widely used in Rubber , functional master batch, plastics and PP, PE, PVC, and widely used in PP master batch. Also it can be used as EVA anti-blocking agent and the quantity is about 30%.Precipitated Silica ratio of major high transparency, easy to disperse and add. When producing high transparency film, Precipitated Silica can be used. You can choose the precipitated Silica white carbon black.

◆Application scopes

Precipitated Silica applied in tapes, rubber covered rollers, rubber tubes and rubber boards etc. can improve their wear resistance, and promote the wetting degree of rubber & fabric which contributes to rubber dispersion and penetration.

◆The specification, feature and application

Grade GS-305 GS-305C
Process aerogel precipitated
Form White powder White powder
Sio2 content % 99.9 99.7
whiteness 98 96
Average particle size um 4.5-5.5um 8-11um
Pore volume ml/g 1.6-1.8 1.4
Heating loss % 105℃2h 2-3 2-3
Ignition loss % 950℃2h 3-4 3-4
BET specific surface area ㎡/g 230-250 180-220
DBP absorption oil value ml/100g 270-280 260-270
PH value 6.5-7.5 6.5-7.5
Application scopes Footwear