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