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By certification 
Speciality:
- The small particle size, specific surface area, strong adhesion and hiding power, greatly improving the effectiveness of the coatin
- small proportion of the goods, not easy to form precipitates in use or the final product.
- The goods have a certain shielding ultraviolet radiation, anti-aging role of play in the paint.
People's Republic of China standard GB/T3185-92 %(m/m)
| Item | Index |
||
Model |
Top Grade |
First Grade |
Qualified Product |
Zinc Oxide(as ZnO) % ≥ |
99.7 |
99.5 |
99.4 |
Metals(as Zn) % ≤ |
No |
No |
No |
Lead Oxide(as Pb) % ≤ |
0.037 |
0.10 |
0.14 |
Residue on sieve（45um mesh）% ≤ |
0.10 |
0.15 |
0.20 |
Volatile Matter On 105℃% ≤ |
0.3 |
0.4 |
0.50 |
Water Soluble Matter% ≤ |
0.10 |
0.10 |
0.15 |
Oil absorption g/mg |
14 |
14 |
14 |
Color(Compared with the standard samples ) |
Similar |
Slight Yellow |
Slight Yellow |
Reducing power (compared with the standard samples ) ≥ |
100 |
95 |
90 |
USES:
For the production of high-grade paints, coatings and other products and coating intermediates.
