Manufacture Alumina Powder Aluminium Oxide Al2O3 ≥99% Low Price AL2O3

Manufacture Alumina Powder Aluminium Oxide Al2O3 ≥99% Low Price AL2O3

The core advantages of alumina powder are high hardness, wear resistance, high temperature resistance, insulation and thermal conductivity, chemical stability, large specific surface area, controllable cost, and adaptability to high demand scenarios in multiple fields.

1. Core performance advantages of alumina powder

-Strong mechanical properties: Mohs hardness of 9, wear-resistant and impact resistant, capable of producing wear-resistant ceramics and abrasives, extending component life by 3-5 times.

-Excellent thermal performance: melting point of 2054 ℃, high temperature resistance; High purity alpha phase thermal conductivity ≥ 28 W/(m · K), balancing insulation and heat dissipation.

-Reliable electrical performance: high resistivity, low dielectric loss, suitable for high-voltage and high-frequency devices, making it the preferred choice for electronic substrates and packaging.

-Chemical stability: resistant to acid and alkali corrosion, suitable for strong corrosion conditions, can be used as anti-corrosion coatings and catalyst carriers.

-Controllable structure: The specific surface area of the gamma type reaches 200-400 m ²/g, and the pore structure is adjustable, suitable for catalytic, adsorption and other scenarios.

-Cost and process: Mature process, better cost-effectiveness than materials such as diamond and aluminum nitride, easy to scale production.

2. Application advantages of alumina powder in different fields

-Grinding and polishing: Made into grinding wheels, sandpaper, etc., precision polishing can achieve nanometer level roughness, semiconductor CMP reduces scratches, and is friendly to iron contaminated sensitive parts.

-Electronics and New Energy: High purity substrate insulation and thermal conductivity; Lithium battery separator coating is resistant to 200 ℃+and prevents thermal runaway; Adding encapsulation adhesive enhances thermal conductivity and insulation.

-Chemical catalysis: using gamma type as a carrier for hydrogenation desulfurization and VOCs treatment, significantly improving lifespan and activity; Can be used as a defluoriner and desiccant, deeply dehydrated to a dew point of -70 ℃.

-Fire resistant and structural components: Made of fire-resistant bricks and castables, capable of withstanding temperatures of 1700 ℃+; Aluminum Oxide fiber lightweight insulation; Ceramic components are suitable for vacuum and high temperature environments.

-Biomedical: Good biocompatibility, used for repairing hard tissues such as artificial bones and dental implants, chemically stable and non-toxic.

3. Summary of Key Value of Alumina Powder

Aluminum oxide powder, with its comprehensive performance combination, strong scene adaptability, and controllable cost, has become an industrial basic raw material and plays an irreplaceable role in traditional manufacturing, new energy, semiconductor, medical and other high-end fields.