Specifications: Purity 99.5% min Sp.gr.(20/4 C )g/cm3 1.049-1.056 Freezing Point 16℃ Sulfates 0.0005% max Chloride 0.0004% max Residue on evaporation 0.02% max Heavy metals(Pb) 0.0002% max Iron(Fe) 0.0001% max Packing: In polyethylene drum of 25kg net each. B.Regard Please Contact by mail : Contact :shaw(at)