Hydrophobic high purity silica powder 1.SiO2:Min 96% 3. ... surface:170 -240m2 / g 2.other name:white carbo Hydrophobic high purity silica powder1.SiO2:more than 96%3.Size ... size 13-16(nm) Purity(SiO2) More than 96% hydrophobic SuperTamped densityMax 0.15(g/ml) organics Max 6% heating ... powder, lubricating grease, coating, rubber, plastic, fiber, sealant, adhesive Hydrophobic high purity silica powder