|
.jpg) Uses: Rubber grade zinc oxide is mainly used in the production of radial tires, bias tires, conveyor belts, hose, rubber belt, rubber shoes and latex gloves, . The performance of their products fully comply with the standards of CHina, State Ministry of Chemical Industry and ASTM.
Standard:GB/T3185-92
| Item |
Index
|
| Model |
Top grade
|
First grade
|
Qualified product
|
| Zinc oxide (as ZnO)%,≥ |
99.7
|
99.5
|
99.4
|
| Metals (as dry)%,≤ |
No
|
No
|
0.008
|
| Lead oxide (as Pb)%,≤ |
0.037
|
0.05
|
0.14
|
| Manganese oxide (as Mn)%,≤ |
0.0001
|
0.0001
|
0.0003
|
| Copper oxide (as Cu)%,≤ |
0.0002
|
0.0004
|
0.0007
|
| Insoluble matter in HCl%,≤ |
0.006
|
0.008
|
0.05
|
| Loss on ignition%,≤ |
0.20
|
0.20
|
0.20
|
| Residue on sieve (45um) %,≤ |
0.10
|
0.15
|
0.20
|
| Water soluble matter %,≤ |
0.10
|
0.10
|
0.15
|
| Volatile matter on 105oC%,≤ |
0.3
|
0.4
|
0.5
|
|
