CAS 1314-13-2 ZnO Top-Grade Zinc Oxide for Rubber Ceramics & Coatings 75%
Zinc oxide (ZnO) is an inorganic compound that appears as a white, odorless, and insoluble powder. It is widely used in various industrial applications due to its unique physical and chemical characteristics.
Molecular Formula: ZnO
Model Number :HMHT0011
CAS: 1314-13-2
Storage conditions: Room Temprature
Molecular Weight: 81.38 g/mol
Appearance: White powder
Odor: Odorless
Density: 5.606 g/cm³
Melting Point: 1,975°C (Sublimates)
Boiling Point: Not applicable (Decomposes at high temperatures)
Solubility: Insoluble in water, but soluble in acids and strong bases
pH (in aqueous solution): Slightly basic
Refractive Index: 2.004 - 2.029
Thermal Stability: Highly stable; does not decompose under normal conditions
Electrical Properties: Semiconductor with a wide bandgap (~3.37 eV)
Optical Properties: Exhibits strong UV absorption and luminescence
Product Parameters
| Commodity | Zinc Oxide (Ceramic Grade) | |
| Guaranteed Spec. | Testing Results | |
| Appearance | Yellowish powder | Yellowish powder |
| Zinc Oxide (on dry basis) | 99% 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 1*20’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.
Zinc oxide is an essential activator in the vulcanization process of rubber, enhancing elasticity, durability, and heat resistance. It is widely used in the production of:
ZnO improves glaze durability, thermal resistance, and mechanical strength in ceramic tiles, glass coatings, and pottery. It helps enhance the transparency and brilliance of glass products.
Due to its anti-corrosion, UV-blocking, and mildew-resistant properties, zinc oxide is widely used in:
Zinc oxide is a key ingredient in sunscreens, skincare, and cosmetics due to its UV-blocking, antibacterial, and soothing properties. It is commonly found in:
Zinc oxide has antibacterial and wound-healing properties, making it essential in:
ZnO is a wide-bandgap semiconductor, widely used in:
✅ High Purity & Consistent Quality – Our zinc oxide is produced using advanced processes, ensuring a high level of purity and uniform particle size.
✅ Customizable Specifications – We provide different grades of zinc oxide, including industrial grade, pharmaceutical grade, and nano ZnO, to meet specific needs.
✅ Competitive Pricing & Bulk Supply – As a leading zinc oxide supplier, we offer cost-effective bulk orders with worldwide shipping.
✅ Strict Quality Control – We comply with ISO, REACH, and RoHS standards, ensuring the best product quality.
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