CAS No. 1314-13-2 | Zinc Oxide (ZnO) | Cosmetic Grade 99.5% | For Sunscreen Production
Basic Information
Model Number :HMHT0011
CAS: 1314-13-2
Chemical formula: ZnO
Solubility: Soluble in dilute acetic acid, mineral acid, ammonia water, alkaline solution, almost insoluble in water
Appearance: White to light yellow crystalline powder
Obtained by oxidizing molten zinc.
Relative density 5.606
Melting point 1975℃
Product Parameters
| Commodity | Zinc Oxide (Ceramic Grade) | |
| Guaranteed Spec. | Testing Results | |
| Appearance | Yellowish powder | Yellowish powder |
| Zinc Oxide (on dry basis) | 99.5% min. | 0.991 |
| Iron as Fe | 200ppm max. | 99ppm |
| Matter soluble in water | 0.50% max. | 0.004 |
| Copper as Cu | 20ppm max. | 5ppm |
| Manganese as Mn | 10ppm max. | 1.6ppm |
| Cadmium as Cd | 10ppm max. | 5.6ppm |
| Arsenic as As | 5ppm max. | 0.2ppm |
| Heat loss at 110℃. Moisture | 0.15% max. | 0.0014 |
| Lead as Pb | 200ppm max. | 68ppm |
| Total Sulphur as S | 0.15% max. | 0.0013 |
| Specific gravity | 5.4 – 5.7 | 5.5 |
| Packing density gm/ml | 0.7 – 1.25 | 1.15 |
| Matter insoluble in HCL | 0.15% max. | 0.0009 |
| Acetic acid insoluble | 0.23% max. | 0.0012 |
| Retention on Sieve 350 ASTM | 0.3% max. | 0.0012 |
| Packing density gm/ml | 0.7-1.25 | 1.15 |
| Conclusion | Qualified |
Packaging Types
25kg PP+PE bags, 26mt in 1X20’FCL with pallets
Method
The zinc ingot obtained by electrolysis is heated to 600-700℃ to melt, and then placed in a high-temperature resistant crucible to melt and vaporize at a high temperature of 1250-1300℃. Hot air is introduced for oxidation. The generated zinc oxide is cooled and cyclone separated, and the fine particles are captured with a cloth bag to obtain the finished zinc oxide product.
Applications
Plastics and Adhesives: Zinc oxide can enhance the UV resistance of plastic products and extend their service life. It is also used to enhance the viscosity and stability of adhesives.
Ceramics and glass industry: Zinc oxide can be used as a glaze or colorant. It is widely used in the manufacturing process of ceramics and glass to improve the gloss and firmness of the glaze.
Rubber industry: Zinc oxide is a commonly used vulcanizing agent in rubber products. It can improve the wear resistance and heat resistance of rubber and is widely used in the production of rubber products such as tires, hoses and rubber shoes.

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99.5% Zinc Oxide
,Cosmetic Grade Zinc Oxide
,CAS 1314-13-2 Zinc Oxide
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