1、Properties:
White or light yellow powder, density 5.606 ° , 1975, melting point is a kind of both sexes oxide, soluble in acid and alkali, insoluble in water or ethanol. Yellow, cold high recovery after white.
2. Application:
Be used for rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass ,metal surface treatment and other chemical industry.
Indirect-method zinc oxide
| Index |
Environment Grade |
Industry
Grade-I |
Industry
Grade-II |
| ZnO , %≥ |
99.8% |
99.7% |
99.5% |
| PbO , %≤ |
0.0015 |
0.036 |
0.065 |
| CuO , %≤ |
0.0001 |
0.0002 |
0.0004 |
| Cd,%≤ |
0.0001 |
0.0005 |
0.001 |
| Mn , %≤ |
0.0001 |
0.0001 |
0.0001 |
| Zn , %≤ |
None |
None |
None |
| Insolubles in Hcl solution% ≤ |
0.004 |
0.004 |
0.006 |
| Loss on ignition% ≤ |
0.008 |
0.10 |
0.15 |
| Water soluble matter%≤ |
0.06 |
0.08 |
0.10 |
| Screen residues(through 325 mesh plus)% ≤ |
0.01 |
0.05 |
0.15 |
| 105 Centigrade volatile%≤ |
0.2 |
0.2 |
0.35 |
Packing: In P.P. woven bags of 25 kgs net each P.E. Liner inside or as per customer’s requirements |
