1.High purity, high dispersion. 2.Property:anti-settling, thickening, anti-sagging, thixotropic 3. ... widely used in fine chemical industry including paint, printing ink, high temperature grease, fluid sealant, gasket cement, mud oil-based free ... .5% Gel rate95%-----Fineness(pass through 76um)>98%>98%Heavy metal content(Pb),mg/kg <15<15Arsenic content mg/kg (mg ...