Silicon dioxide: High efficient dispersion, good anti-settling Excellent matting ability, transparent ... , very fine, many hole secondary particle, hydrophile,adsorption, silutedness. Etc. Silicon rubber, coatings, paper making, pesticide. be used for glass, ceramic ... absorption value cm3/g 1.8~2.5 Sulfate content % ≤1.6 Granularity (D50 μm 180~220 Packing (suttle) Kg 25 Silicon Dioxide