|
|
| molecular formula: |
Zn |
molecular weight : |
65.38 |
Production methods: |
Atomization law |
| capability: |
Zinc powder is that a kind of grey powder has very strong reduction ability , is so a kind of very important reducing agent. |
| subdivision: |
80 eye, 120 eyes and 325 eyes have special requirement as customer for size , can be processed alone. |
| purpose: |
Wait for profession mainly used in paint, dyestuff, metallurgy, chemical engineering and pharmacy |
Quality standard:
|
Carry out GB/T6890 - 2000 standards |
|
|
|
| Chemical composition: |
| Rank |
Chemical composition |
| be smaller than |
Impurity do not be larger than |
|
Whole zinc
|
Metal zinc
|
Pb
|
Fc
|
Cd
|
Acid non-soluble substance |
| A level |
98
|
96
|
0.1
|
0.05
|
0.1
|
0.2
|
| 2 levels |
98
|
94
|
0.2
|
0.2
|
0.2
|
0.2
|
| 3 levels |
96
|
92
|
0.3
|
-
|
-
|
0.2
|
| 4 levels |
92
|
88
|
-
|
-
|
-
|
0.2
|
| Note: Is taking containing zinc stock as the 4 level zinc powders of the production of raw material, it contains sulfur content, do not be larger than 0.5%. |
|
| Size accords with following stipulation: |
| Specifications |
Sift jade thing do not be larger than
|
Particle size distribution, % do not be smaller than
|
|
Biggest grain way μm
|
Content, %
|
30 μ m below
|
10 μ m below
|
| FZn30 |
45
|
-
|
99.5
|
80
|
| FZn45 |
90
|
0.3
|
-
|
-
|
| FZn90 |
125
|
0.1
|
-
|
-
|
| FZn125 |
200
|
1.0
|
-
|
-
|
|
Original
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