ZnO Zinc Oxide Powder Bulk 1314-13-2 Specific Surface Area Typically Range Of 10-150m²/G

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Model Number:Zinc Oxide
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Specific Surface Area Typically In The Range Of 10-150m²/g, Depending On Particle Size Zinc Oxide


Zinc Oxide Introduction


Zinc oxide is an inorganic substance with the chemical formula ZnO, which is an oxide of zinc. It is insoluble in water but soluble in acid and strong alkali. Zinc oxide is a commonly used chemical additive with many unique properties and applications. It is widely used in the production of plastics, silicate products, synthetic rubber, lubricants, paints, ointments, adhesives, foods, batteries, flame retardants and other products.


Zinc Oxide Parameters


Parameter NameUnitValue Range/Description
Chemical Formula-ZnO
Molecular Weightg/mol81.39
Appearance-White powder or hexagonal crystals
Densityg/cm³Approximately 5.60-5.67 (varies with preparation method and purity)
Melting Point°C1975
Boiling Point°C2360 (sublimes)
Refractive Index-Approximately 2.008-2.029 (varies with wavelength)
Band GapeVApproximately 3.37 (at room temperature)
Purity%99.0%-99.99% (depending on application requirements)
Particle Size DistributionnmVarious sizes available, such as 20nm, 50nm, 100nm, 1μm, etc.
Specific Surface Aream²/gTypically in the range of 10-150m²/g, depending on particle size
Hygroscopicity-Low hygroscopicity, but may absorb moisture over time if exposed to humid conditions
Solubility-Insoluble in water, slightly soluble in alcohols, soluble in dilute acids, sodium hydroxide solutions, and ammonium chloride solutions
Thermal Stability-Stable at high temperatures, but prolonged exposure to high temperatures may cause discoloration or phase transformation
Electrical ConductivityS/mAs a semiconductor, electrical conductivity varies with doping and temperature
UV Absorption-Effectively absorbs UVA and UVB ultraviolet radiation, providing good sunscreen properties
Antibacterial Properties-Inhibits the growth of various bacteria and fungi, suitable for antibacterial materials

Main uses and functions


Zinc oxide has a large energy band gap and exciton binding energy, high transparency, and excellent room temperature luminescence performance. It is used in liquid crystal displays, thin film transistors, light-emitting diodes and other products in the semiconductor field. In addition, microparticles of zinc oxide as a nanomaterial have also begun to play a role in related fields.

1. Zinc oxide has high chemical stability and can remain stable in harsh environments such as high temperature, high pressure, strong acid, and strong alkali. This stability makes zinc oxide widely used in many industrial fields. For example, in ceramics, glass, coatings and other industries, zinc oxide can be used as an additive to improve the quality and performance of products.

2. Zinc oxide has good electrical conductivity and can be widely used in electronics, communications, electricity and other fields. In the electronics field, zinc oxide can be used as a semiconductor material to manufacture electronic components such as integrated circuits and transistors.

3. Zinc oxide has unique physical properties, such as high refractive index, low dielectric constant, and high transmittance. These properties make zinc oxide widely used in the optical field, such as optical devices, fiber optic communications, lasers, etc. In addition, zinc oxide can also be used to manufacture devices such as pyrometers and varistors, which has high practical value.

4. Zinc oxide is a non-toxic substance that does not harm the human body and the environment. This environmental friendliness makes zinc oxide widely used in many fields, such as cosmetics, food, and medical treatment. In addition, zinc oxide can also be used to manufacture environmentally friendly coatings, plastics and other materials, which has high environmental value.


Chemical properties

Chemical stability: Zinc oxide has high chemical stability and can remain stable in harsh environments such as high temperature, high pressure, strong acid, and strong alkali. This stability makes zinc oxide widely used in many industrial fields.
Amphoteric oxide properties: Zinc oxide is an amphoteric oxide that can react with both acid and alkali.
Catalytic effect: Zinc oxide has a certain catalytic activity and can be used as a catalyst to participate in various chemical reactions and accelerate the reaction process.


Advantages

1. Superior Quality: Produced with advanced direct-method technology, ensuring consistent quality and purity.
2. Versatility: Suitable for multiple industries such as rubber, ceramics, and cosmetics.
3. Environmentally Safe: Low heavy metal content and safe for a wide range of applications.
4. Excellent Performance: Provides enhanced reinforcement, thermal stability, and UV protection.

Applications

1. Rubber Industry: Used as a reinforcing agent, activator, and vulcanization accelerator.
2. Ceramics: Improves whiteness, strength, and thermal stability.
3. Paints & Coatings: Acts as a pigment and anti-corrosion agent.
4. Cosmetics: Used in sunscreens and skincare products as a UV absorber.
5. Pharmaceuticals: Functions as an antiseptic and astringent in ointments.
6. Agriculture: Serves as a micronutrient in fertilizers and animal feed additives.

Production Technology

The direct method, also known as the French process, involves the following steps:
1. Raw Material Selection: High-purity zinc materials such as zinc ore or zinc scrap are used.
2. Smelting: Zinc is heated and vaporized.
3. Oxidation: Zinc vapor reacts with oxygen in a controlled environment to produce fine zinc oxide powder.
4. Collection and Processing: The resulting ZnO is collected, filtered, and classified to ensure quality and uniformity.

Theory

The production of Zinc Oxide via the direct method is based on the principle of oxidation of metallic zinc in the presence of oxygen. The chemical reaction is:
2Zn + O₂ → 2ZnO
This process ensures the formation of high-purity zinc oxide with uniform particle size.

Service

1. Technical Support: Provide guidance on product application and usage.
2. Customization: Tailor specifications based on customer requirements.
3. Sample Availability: Free samples for testing and evaluation.
4. Logistics: Efficient shipping and delivery services.

Packaging & Storage

1. Packaging: Packed in 25 kg bags or 1 MT jumbo bags. Custom packaging is available upon request.
2. Storage: Store in a dry, cool, and ventilated place. Avoid exposure to moisture and direct sunlight.

Precautions

1. Avoid inhalation of zinc oxide powder; use proper protective equipment.
2. Handle with care to prevent contamination or spillage.
3. Follow local regulations for disposal of waste materials.
4. Keep away from acidic substances to avoid chemical reactions.

China ZnO Zinc Oxide Powder Bulk 1314-13-2 Specific Surface Area Typically Range Of 10-150m²/G supplier

ZnO Zinc Oxide Powder Bulk 1314-13-2 Specific Surface Area Typically Range Of 10-150m²/G

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