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Zinc Oxide Product Overview
Product Overview
Zinc Oxide, commonly abbreviated as ZnO, is a highly versatile inorganic chemical compound. It generally appears as a fine white powder at room temperature and boasts wide-ranging applications spanning numerous industrial sectors. Major application fields include cosmetics, healthcare products, rubber manufacturing, industrial coatings, electronic components, and many other industries. Valued for its outstanding ultraviolet absorption capacity, reliable antibacterial performance, electrical conductivity and superior chemical stability, zinc oxide serves as an essential functional ingredient in a large array of end products. It can effectively shield substrates and human skin from harmful UV radiation, suppress the reproduction of bacteria, and significantly improve the long-term durability and service life of finished goods.
Key Product Characteristics
- UV Protection Zinc Oxide blocks UVA & UVB rays for powerful UV protection. As a physical sunscreen, it creates a protective barrier on skin.
- Antibacterial Properties ZnO inhibits bacterial growth and offers soothing anti-inflammatory effects, perfect for skin care applications.
- Chemical Stability Chemically inert, ZnO maintains stable performance in various environments and resists reactions with most substances.
- Thermal Stability Stable at temperatures up to 600°C, Zinc Oxide works reliably under high-temperature conditions.
- Non-Toxic and Safe Non-toxic and skin-friendly, it is widely used in baby care and sensitive skin products.
- Semiconductor Properties Its conductivity and semiconductor features make Zinc Oxide a great choice for electronics, sensors and optoelectronic devices.
ZnO Parameters (Table)
| Parameter Name | Value |
|---|---|
| Chemical Formula | ZnO |
| Molecular Weight | 81.39g/mol |
| Appearance | White Solid |
| Melting Point | 1975°C |
| Boiling Point | 2360°C |
| Density | 5.606g/cm³ |
| Water Solubility | Insoluble in Water |
| Refractive Index | 2.008~2.029n²⁰/D |
| CAS Registry Number | 1314-13-2 |
| EINECS Registry Number | 215-222-5 |
Product Advantages
- Effective UV Defense: Zinc Oxide is a top-performing physical sunblock that delivers broad-spectrum UV protection.
- Antibacterial & Anti-Inflammatory: It relieves skin irritation and aids skin recovery, widely used in acne treatments, eczema creams and wound care items.
- Eco-Friendly: This natural biodegradable material fits green chemistry requirements and supports sustainable manufacturing.
- High Stability: It withstands chemical degradation and temperature changes, ideal for multiple industrial applications.
- Safe and Non-Toxic: Non-irritating to skin, it is safe for various products, especially formulations for sensitive skin.
Applications
- Cosmetics & Personal Care: Leveraging its superior UV-blocking performance and mild skin-protective effects, zinc oxide is widely incorporated in sunscreens, daily face creams, BB creams, facial cleansers and masks, delivering reliable skin protection against ultraviolet damage.
- Skin Care & Daily Care Products: Zinc oxide is a premium functional ingredient for gentle skin care formulations. It effectively soothes skin discomfort, relieves mild redness and irritation, and assists in improving common superficial skin problems, making it ideal for mild daily skin care preparations.
- Rubber & Plastics Industry: It acts as an efficient vulcanizing additive in rubber manufacturing. It significantly enhances the mechanical strength, wear resistance and anti-aging performance of rubber materials, widely applied in tires, rubber footwear and various industrial rubber and plastic products to extend service life.
- Coatings & Paints Industry: Serving as a high-performance white functional pigment, zinc oxide features outstanding covering power, weather resistance and UV stability. It is extensively used in architectural paints, anti-corrosion coatings and waterproof coating materials, greatly improving the durability and outdoor adaptability of coating finishes.
- Electronics & Optoelectronics Industry: With stable semiconductor and photoelectric properties, zinc oxide is an essential material for optoelectronic devices. It is commonly applied in solar cells, precision sensors, LED lighting and other optical and electronic components, optimizing product stability and working efficiency.
Production Process
- Raw Material Selection Zinc oxide is mainly produced from zinc ores (such as sphalerite) or metallic zinc.
- Roasting Process Metallic zinc reacts with oxygen under high heat to form zinc oxide. Temperature and oxygen flow are closely controlled to reach required purity and particle size.
- Grinding & Screening After roasting, zinc oxide is finely ground and screened to ensure even particle distribution.
- Purification Additional purification steps can be applied to remove impurities and boost product purity.
- Quality Inspection & Packaging We test finished ZnO for particle size, purity and UV absorption. Qualified goods are packaged and prepared for shipment.
Process Flow
Zinc oxide production comprises batching, feeding, rotary kiln, slag water quenching, oxidation cooling, dust collection and bagging, as well as flue gas desulfurization systems. The rotary kiln acts as the core equipment; ZnO is produced inside it through high-temperature oxidative roasting. According to raw materials and process types, manufacturing methods fall into four categories: direct, indirect, acid and ammonia processes.
Theory
Zinc oxide features a wide bandgap and high exciton binding energy, which endows it with outstanding luminescence performance at room temperature. Its wurtzite hexagonal crystal structure also delivers favorable electrical, optical and piezoelectric characteristics. Such intrinsic material properties lay the scientific foundation for zinc oxide’s broad applications across diverse industries.
Services
We offer comprehensive pre-sales, in-sales, and after-sales services, including technical consultations, product customization, logistics distribution, usage guidance, and more. Our professional team is dedicated to addressing any questions and ensuring your satisfaction with our ZnO products.
Packaging and Storage
ZnO products are commonly packed in woven bags or plastic drums to guarantee safety and stability throughout transportation and storage. Keep the material in a dry, well-ventilated and shaded storage area. Avoid exposure to moisture, excessive heat and combustible substances.
Precautions
- Personal Protection: Wear protective masks, gloves and goggles when producing or handling ZnO to avoid inhalation, skin and eye contact.
- Fire Prevention Measures: ZnO itself is non-flammable, but store it separate from ignition sources and flammables to reduce fire risks.
- Spill Handling: For ZnO spills, cover with sand or inert materials right away, collect the material for safe disposal and prevent environmental contamination.
We hope this introduction gives you a complete picture of our ZnO products. Feel free to reach out to us for any questions or orders.
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