... 2).Filter aid: Food industry ,Wine industry,Chemicals,Industrial oil,Waste-water treatment,Day of supplies,Enzymes are processed purification ... following excellent characters: non-toxic, tasteless, light weight , handling soft ,porous Si ,sound insulation,heat-resisting,acid-resisting,stable chemical ... due to when in use, no dusts flies. 2. Oil and water adsorption reach to 150-220%. 3.Besides,the ...