Product & Solution

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zambia Precipitated Silica for General-Purpose Rubber

This product features high reinforcement, tear resistance, and excellent abrasion resistance, enabling rubber products to achieve superior physical and processing properties. It is primarily suited for applications in the rubber industry, such as shoe soles, hoses, and tapes.

Product Description

Precipitated Silica for General-Purpose Rubber

Project JS-185AJS-185BJS-185CJS-185GR Uses
SiO2 (after calcination) % ≥96≥96≥96≥96 This product features high reinforcement, tear resistance, and excellent abrasion resistance, enabling rubber products to achieve superior physical and processing properties. It is primarily suited for applications in the rubber industry, such as shoe soles, hoses, and tapes.
Status Powder Powder Powder Block material
45µm sieve residue % ≤0.5 ≤0.5 ≤0.5
Residue on 300µm sieve % ≥80
Heating Loss % 4.0–8.0 4.0–8.0 4.0–8.0 4.0–8.0
Loss on ignition % ≤7.0 ≤7.0 ≤7.0 ≤7.0
pH level 6.0–7.0 6.0–7.0 6.0–7.0 6.0–7.0
BET specific surface area, m²/g 170–200 140–170 150–180 160–200
DBP absorption value ml/g 2.1–2.4 2.0–2.3 2.3–2.6 2.0–2.6
Water-soluble substances % ≤2.5 ≤2.5 ≤2.5 ≤2.5

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