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.
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
|Form||White powder||White powder|
|Sio2 content %||99.9||99.7|
|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|