1.Appearance:White liquidity powder 2.ZnSO4.H2O,Zn:34.5% min, A:5ppm max, Pb:20ppm max, ... cd:30ppm max 3.Solubility:soluble NAME :ZINC SULPHATE ZnSO4.H2O INDUSTRIAL ADN FEED GRADE ZINC SULPHATE, Zn:34.5% min ... rain, dry.CAPACITY:1000 TONS PER MONTHQUALITY STANDARD(%) NAME INDEXZnSO4.H2O≥ 94.7 Zn ≥ 34.5 Pb ≤ 0.002 As ≤ 0 ...