Hydrophobic high purity silica powder 1.SiO2:Min 96% 3.Size:13 ... -240m2 / g 2.other name:white carbo Hydrophobic high purity silica powder1.SiO2:more than 96%3.Size:13-16 ... [Technical data] Average primary particle size 13-16(nm) Purity(SiO2) More than 96% hydrophobic SuperTamped densityMax 0.15(g ... grease, coating, rubber, plastic, fiber, sealant, adhesive Hydrophobic high purity silica powder