Silicon dioxide: High efficient dispersion, good anti-settling Excellent matting ability, transparent and hand-feel in coating Specificationssilicon dioxidepurty:99.3%Hs code:2811220000Model: white powdersilicon dioxideGeneral characteristic:high quality, very fine, many hole secondary particle, hydrophile,adsorption, silutedness. Etc. Silicon rubber, coatings, paper making, pesticide. be used ...