Zinc Oxide is white powder, odourless, relative density 5.606, stable under normal tempreture. Insoluble in water and alcohol,soluble in acid and alkali.
|
Item |
Standard |
Result |
|
Zinc Oxide Content |
99.7% (min) |
99.8% |
|
Fe Content /% |
0.002 |
0.002 |
|
Lead Oxide Content /% |
0.004(max) |
0.002 |
|
Cd Content /% |
0.0003 |
0.0003 |
|
Manganese Content /% |
0.0001(max) |
0.0001 |
|
Cu Content /% |
0.0002(max) |
0.0002 |
|
Hydrochloric acid Insoluble matter /% |
0.006(max) |
0.005 |
|
Loss on Ignition /% |
0.2(max) |
0.1 |
|
Water solubles /% |
0.1(max) |
0.1 |
|
Screening residues
(45 um wet sieve) / % |
0.1(max) |
0.1 |
