| Application
industry |
| |
| Contact
Us |
Add: Longda Industrial
Park,Gudi Street,Weifang City,China
Tel: +86-536-7569886
Fax: +86-536-7567369
E-mail: longda@wflongda.com |
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|
| Products |
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 |
Coating and paint grade zinc oxide
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Uses: used in the production of top-grade paint, coating and coating intermediates
Standard
| 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
|
0.1
|
0.14
|
| Residue on sieve (45um mesh) %，≤ |
0.10
|
0.15
|
0.20
|
| Volatile matter on 105oC%，≤ |
0.3
|
0.4
|
0.5
|
| 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
|
|
|
