1.High purity, high dispersion. 2.Property:anti-settling, thickening ... fine chemical industry including paint, printing ink, high temperature grease, fluid sealant, gasket cement, mud ... oil-based free stick for oil drilling, precision casting, quick-drying putty, ... rate95%-----Fineness(pass through 76um)>98%>98%Heavy metal content(Pb),mg/kg <15<15Arsenic content mg ...