AFSIL®SR series hydrated nano silicahas mechanical reinforcing effect on silicone rubber, endow silicone rubberwith high transparency, and can effectively prevent yellowing.
| Type | AFSIL®SR210 | AFSIL®SR175 | AFSIL®SR145 | ||
| m2/g | 190-220 | 160-190 | 130-160 | ||
| BET | |||||
| Loss on Ignition | % | ≤6.0 | ≤6.0 | ≤6.0 | |
| Loss on Drying | % | 4.0-8.0 | 4.0-8.0 | 4.0-8.0 | |
| pH 5% Aqueous Solution | 6.0-7.5 | 6.0-7.5 | 6.0-7.5 | ||
| Electrical conductivity（4% aqueous solution） | μs/cm | ≤150 | ≤200 | ≤300 | |
| SiO2 Content | % | ≥99 | ≥99 | ≥99 | |
| Fe Content | ppm | ≤150 | ≤150 | ≤200 | |
| Particle size（D50） | μm | 8-15 | 8-15 | 8-15 | |
| DBP Absorption | cm3/g | 2.0-3.0 | 2.0-3.0 | 2.0-3.0 | |