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Precipitated Silica for Silicone Rubber

This product is made from low-iron water glass and boasts advantages such as high purity, excellent transparency, low iron content, resistance to yellowing, and superior reinforcing performance—making it ideal for the silicone rubber industry.

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Product Details

Precipitated Silica for Silicone Rubber
Project	JS-130	JS-160A	JS-160C	Uses
SiO2 (after calcination)%	≥98	≥98	≥98	This product is made from low-iron water glass and boasts advantages such as high purity, excellent transparency, low iron content, yellowing resistance, and superior reinforcing performance—making it ideal for the silicone rubber industry.
Heating Loss %	≤7.0	≤6.5	≤6.5
Loss on ignition %	≤7.0	≤7.0	≤7.0
pH level	6.0–7.0	6.0–7.0	6.0–7.0
BET specific surface area, m²/g	100–150	120–170	150–200
Total iron content: mg/kg	≤400	≤200	≤200
DBP absorption value ml/g	2.0–2.5	2.0–2.5	2.0–2.5
Water-soluble substances %	≤1.0	≤0.5	≤0.5