... , glass, paper making, tanning, metal smelting, surface treatment and filler industries.Grade:Industrial grade /Feed gradePacking: 25kg,50kg/bag Appearance ... should be kept separately, avoid mixed reserve.Applications:used as filler of detergent, the making of sodium sulphide, water glass, ... or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used ...