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 | ||
BET | m2/g | 190-220 | 160-190 | 130-160 | |
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 | ≤300 | ≤300 | ≤300 | |
SiO2 Content | % | ≥99 | ≥99 | ≥99 | |
Fe Content | ppm | ≤200 | ≤200 | ≤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 | |