zinc oxide 99.7%

Item Index Appearance white powder Zinc oxide (dry)% ≥ 99.70 kali (as K)% ≤ 0.0010 sodium oxide (as Na)% ≤ 0.0010 ferric oxide (as Fe)% ≤ 0.0020 cadmium oxide (as Cd)% ≤ 0.0050 lead oxide (as Pb)% ≤ 0.037 copper oxide (as Cu)% ≤ 0.0002 metallic zinc (as Zn) no moisture % ≤ 0.3 insoluble matter in HCL % ≤ 0.006 Loss on ignition % ≤ 0.2 PH 7.0-8.0 Grainsize μm ≤ 0.50 Residue on screen ( 44μm)% ≤ 0.10