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Product Description
1. Basic Property:
Chemcial Name: zinc oxide
Molecular Formula: ZnO
Specific weight: 5.606; 1.2
Molecular Weight: 81.38
B.P.: sublimation temperature: 1800°C
M.P.: 1976°C
2. Appearance: yellowish or light yellow powder
3. Chemical Properties:
| Items |
First Quality |
Second Quality |
Third Quality |
| Appearance(to standard sample) |
meet standard |
meet standard |
meet standard |
| Purity(zinc oxide ) /%≥ |
98.0 |
95.0 |
90.0 |
| Metal zinc /%≤ |
none |
none |
none |
| Lead oxide /%≤ |
0.15 |
0.3 |
1.0 |
| Mn. /%≤ |
0.0005 |
--- |
--- |
| Cupric oxide /%≤ |
0.006 |
--- |
--- |
| Insol. in Hcl /%≤ |
0.02 |
0.03 |
0.10 |
| Loss on ignition |
0.5 |
0.6 |
0.7 |
| Residue on sieve (200 meshes)/%≤ |
0.1 |
0.2 |
0.3 |
| Water soluble salt /%≤ |
0.30 |
0.40 |
1.0 |
| Hiding power/(g/m)≤ |
100 |
110 |
120 |
| Oil absorption /%≤ |
20 |
20 |
20 |
| Tinctorial strength /% ≤ |
100±3 |
100±3 |
100±3 |
| Cadmium oxide /% ≤ |
0.05 |
0.05 |
0.1 |
4. Quality standard: Q/320201 NAS005-2003
5. Use:
Suitable for the manufacture of advanced ceramics, ceramic tile, mosaic, enamel, glaze, promoting agent for rubber production, India-rubber wires etc.
6. Transporting & Storag; Stored in dry place, avoid rain; no mixing with acids; stored indoor places without acidic steam.
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