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Zinc Oxide:
一、
property
This commodity is a white powder. Density is 5.606g/cm3. Melting point is 1975℃.It is an oxide with two characters. It can dissolve in acid, alkali, ammonium chloride and ammonia.It can not dissolve in water and alcohol. It can sublime at 1800℃. It is used as materials for rubber, coating, medicine, printing ink, cable, electron, coinage, match, chemical, cosmetics, etc
二、Specification
Content (Calculated in Zinc Oxide on dry)% ≥ |
99.7 |
Zn % ≤ |
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Pb % ≦ |
0.128 |
Mn % ≦ |
0.0001 |
Cu % ≦ |
0.0002 |
Insoluble matters in HCl Solution % ≦ |
0.006 |
Loss on Ignition % ≦ |
0.2 |
Water soluble matter % ≦ |
0.1 |
Volatile at 105℃≦ |
0.3 |
Color (Compared with standard specimen) |
- |
Oil absorption (g/100g) ≤ |
- |
Achromaticity ≧ |
- |
Screen Residues (Through 320 mesh)％ ≤ |
0.1 |
三、Packing
25kgs plastic woven bags lined with double water-proof films. |
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