... storage of 200000000 tons Salt, Refined salt, PDV salt ISO 9001-2008 Salt, Refined salt, PDV salt6.2 sq ... 200,000,000 tons.Annual output of 900,000 tons refined saltISO 9001-2008 Package: 25kg, 50kg, 1mtWhite cubic ... used in soda,chilorine,NaOH,melting,leatherand so on.Specification: white ≥85.4Size % ≥0.15∼0.85mm92Nacl≥99.14Water ... .250.40(SO4)2-,(%)<=0.300.50 Natural refined salt industrial grade