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Zinc oxide used in coating and pigment
1. Characteristics:
1. The particle size of Huiyuan brand zinc oxide used in coating and pigment is small. It has stronger adhesion and hiding power than the one with larger surface area. It greatly improves the effect of coating.
2. The density of this products is small. So it is not easy to form precipitation in using process or the final products.
3. This product still has an effect of shield ultraviolet radiation. So, it plays a role of anti-aging in the coating.
2. Usage:
Huiyuan brand zinc oxide used in coating and pigment can be used in the production of high-grade painting, coating and coating intermediates.
3. Product executive standard
|
Item |
Index |
||
|
Product model |
Premium grade |
First grade |
Qualified product |
|
Zinc oxide (Counted in ZnO) %≥ |
99.7 |
99.5 |
99.4 |
|
Metal (Counted in Zn) %≤ |
No |
No |
No |
|
PbO (Counted in Pb) %≤ |
0.037 |
0.1 |
0.14 |
|
Residue on sieve(45um mesh)%≤ |
0.10 |
0.15 |
0.20 |
|
105οC volatile matter %≤ |
0.3 |
0.4 |
0.5 |
|
Water solubles %≤ |
0.10 |
0.10 |
0.15 |
|
Oil absorption g/mg |
14 |
14 |
14 |
|
Color (Compared with standard sample) |
approximate |
a little more yellow |
a little more yellow |
|
Reducing power (Compared with standard sample) ≥ |
100 |
95 |
90 |
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