Hydrophobic high purity silica powder 1.SiO2:Min 96% 3.Size ... g 2.other name:white carbo Hydrophobic high purity silica powder1.SiO2:more than 96%3.Size: ... ] Average primary particle size 13-16(nm) Purity(SiO2) More than 96% hydrophobic SuperTamped densityMax 0 ... anti-aging properties, anti-UV properties[Application] Dispersible polymer powder, lubricating grease, coating, rubber, plastic, fiber, sealant ...