SPEC: Content % 90 95 97 Sodium hydroxide, % 1.5 1 0.5 Sodium carbonate, % 3 1.5 0.5 Sodium chloride, % 3 2.5 0.5 Sulfured sodium, % 0.02 0.02 0.01 Water % 1.5 1 0.8 Usage: It can be used in leather industry, serves as camouflage salt in the chrome tanning method. Used in catalyst and stabilizer compositions, and in the printing and dyeing of textiles as a reducing agent. Used as the raw material in the manufacturers of sodium hydrosulphite, formic acid and oxalic acid. Package:in 25kg plastic woven bag with PE lining