Industry grade 98%min Item standard Cu% 25 Water insoluble% 0.2 As% 0.0005 Heavy metal£¨as pb)% 0.001 Electroplating grade 98%min Cu % 25 Ni % 0.05 Pb% 0.008 Zn% 0.05 Co% 0.05 Fe% 0.05 As% 0.0010 Ph 3.5~4.5 Water insoluble% 0.05. 25kgs/bag and 25mt/20fcl.