sodium sulfate,anhydrous Na2SO4 99% white crystalline powder FOB WUHAN : 90USD PER TON sodium sulfate,anhydrous Na2SO4 99%white crystalline powderFOB WUHAN : 90USD PER ... alkali. In chemical industry, it used to make sodium sulfate, sodium silicate and other chemical raw material. In weaving industry ... , with covering matter, avoid rain SSA23 sodium sulfate,anhydrous Na2SO4 99% CAS NO 7756-82-8