| CAS No.: | 7631-86-9 |
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| Formula: | Sio2 |
| EINECS: | 231-545-4 |
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1. In silicone rubber products play the role of strengthening, wear resistance, high temperature resistance, tear resistance, improve dielectric property and so on.
2. It plays a filling and reinforcing role in synthetic rubber and natural rubber, especially in light-colored and transparent products.
3. It plays the role of reinforcing, thickening, thixotropy, anti-precipitation, anti-caking, processing aid, improving stability and helping adhesion in adhesive products.
4. With high absorbency, it can be used as an adsorbent, and has the effect of absorbing oil and stains.
| Standard item name | Technical requirement | CT-601L | CT-602L |
| Silica content % | ≥90 | 98.5 | 98.5 |
| Color % | ≥94 | 95 | 95 |
| Average particle diameter (mesh) | 20-30um | 5-15um | |
| Specific surface area m2/g | 180-360 | 240-300 | 240-300 |
| PH value | 6.5-7.5 | 6.8 | 7.0 |
| Drying reduction % | ≤7 | 5.5 | 4.5-7.0 |
| Oil absorption value cm3/g | 2.3-4.0 | 3.0-4.0 | 3.0-4.0 |
| Burn reduction % | ≤7.0 | 4-7 | 4-7 |
| Sieve residue (45um) | ≤0.5 | <0.1 | <0.1 |
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