Caustic Soda Pearl: 1.Purity 98%min 2.High quality,low price Caustic Soda Pearl:Usage: It is used for making chemicals,the paper,soap and detergent,artificial silk and cellophane,make and oxidize aluminium,use for the silky luster of mercerized cotton fabrics of the fabrics and deal with bauxite of processing.Package:in 25kg plastic woven bags. 25mt/20fcl Caustic Soda Pearl