... .1Usage: Mainly use for chemical industry, construct material, weave, knead leather, etc.Packing:In 25kg/50kg plastic woven bag with plastic ... .1Usage: Mainly use for chemical industry, construct material, weave, knead leather, etc.Packing:In 25kg/50kg plastic woven bag with plastic ... : 2839190000 Sell Sodium Silicate Solid with all kinds of modulus--free sample