Properties: White powder, surface density: 0.35-0.9g/cm3, melting point: 622Celsius degree, free soluble in water, aqueous solut Usage: 1, It is used as one of the main auxiliaries agent for synthetic detergent, synergist for soap. 2, Tanning agent for making leather. 3, Softener for water in industry. 4, An effective dispersion agent for suspension treatment of painting, kaolin, magnesium oxide, ...