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.
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Product Details
Precipitated Silica for General-Purpose Rubber | |||||
| Project | JS-185A | JS-185B | JS-185C | JS-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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