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325 mesh zinc powder
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325 mesh zinc powder
Product Introduction
Conforms to GB/T6890-2000 national standard
Grade |
Chemical Composition |
|||||
Main grade not less than |
Impurities not more than |
|||||
Total Zinc |
Metallic Zinc |
pb |
Fc |
Cd |
Acid Insoluble |
|
Grade 1 |
98 |
96 |
0.1 |
0.05 |
0.1 |
0.2 |
Grade 2 |
98 |
94 |
0.2 |
0.2 |
0.2 |
0.2 |
Grade 3 |
96 |
92 |
0.3 |
- |
- |
0.2 |
Grade 4 |
92 |
88 |
- |
- |
- |
0.2 |
Note: For grade 4 zinc powder produced using zinc-containing materials as raw materials, the sulfur content should not exceed 0.5% |
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