... dessicant in food, pharmaceutical, electric appliances, instrument, garment, etc5.Absolute advantage:No toxic chemicals-- Green Chemistry ,Environment1).Activated silica asphalt ... 2).Filter aid: Food industry ,Wine industry,Chemicals,Industrial oil,Waste-water treatment,Day of supplies,Enzymes are processed ... due to when in use, no dusts flies. 2. Oil and water adsorption reach to 150-220%. 3.Besides, ...