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Rubber Grade White Granular Silica Precipitated Silica
White granular form, Precipitated Silica White Granular Silica can be dissolved by NaOH,HF. Other kinds of acid, water and solvents can not dissolve the product.
| Precipitated Silica White Granular | ![]() |
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| Type | Felcosil-175GR | Felcosil-185GR | Felcosil-195GR |
| Heating loss(105° 2h), % | 4.0-8.0 | ||
| Lgniting loss(1000° 2h), % | ≤7.0 | ||
| DBP Absorption,cm3/g | 2.00-2.80 | ||
| Sieve residue,% | 60 Mesh≥75 | ||
| pH(5% suspension) | 6.0-8.0 | ||
| SiO2 % Min,% | ≥97.0 | ||
| BET specific surface area,m²/g | 170±15 | 180±15 | 190±15 |
| Salt as NA2SO4,% | ≤2.0 | ||
| Pellet hardness | ≤70 | ||
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