Tire Grade Silica

Functional Silica in tires can increase the wet skid & wear resistance and reduce the rolling resistance. It can improve the adhesion between rubber and steel-cord. Also it can promote the durability, flexing resistance and shock resistance of rubber.

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Tire Grade Silica

◆Description of products

Functional Silica in tires can increase the wet skid & wear resistance and reduce the rolling resistance. It can improve the adhesion between rubber and steel-cord. Also it can promote the durability, flexing resistance and shock resistance of rubber.

◆Application scopes

Silica serves as the main reinforcing filler in different kinds tires.

◆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