Item |
specification |
Zinc oxide (as ZnO)%, ≥ |
99.7 |
Metals (as dry)%, ≤ |
NO |
Lead oxide (as Pb)%, ≤ |
0.037 |
Ferric oxide (as Fe)%,≤ |
0.002 |
Copper oxide (as Cu)%,≤ |
0.0002 |
Manganese oxide (as Mn)%, ≤ |
0.0001 |
Cadmium oxide (as Cd)%,≤ |
0.005 |
Nickel oxide(as Ni)% , ≤ |
0.1 |
Insoluble matter in HCl%, ≤ |
0.006 |
Water soluble matter %,≤ |
0.1 |
Loss on ignition%, ≤ |
0.2 |
Insoluble matter in HCl%, ≤ |
0.005 |
Volatile matter on 105oC%,≤ |
0.3 |
Residue on sieve (45um mesh) %,≤ |
0.1 |