Item/parameter standard Zinc oxide (in accordance with dry materials) % zno 99.5% zno 99% zno 98% zno 95% zno 90% Lead oxide (pbo)% 0.12 0.2 1.0 3.0 4.0 Cadmium oxide (cdo) % 0.02 0.05 -- -- -- Cupric oxide (cuo) % 0.006 -- -- -- -- Manganese (mn) % 0.0002 -- -- -- -- Metallic zinc (in accordance with zn) % none none -- -- -- Muriatic acid insoluble substance % 0.03 0.04 0.5 0.7 2.0 Loss on ignition % 0.4 0.6 0.7 1.0 5.0 Water soluble substance % 0.4 0.6 0.7 1.0 3.0 Sieve residue (45um mesh ) % 0.28 0.32 0.5 0.5 0.5 Volatile % 0.4 0.4 0.5 0.5 0.5. In 25kg, 50kg iron drums with double plastic bags inner, on wooden pallet.