Alumina - Aluminium Oxide Calcined (3μm) - Pottery, Ceramics, Abrasive


SKU: RD11631

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Alumina 3μm

Nabalox 315

Aluminium oxide calcined ( 3μm )

Aluminium oxide produced commercially is obtained by the calcination of aluminium hydroxide. Calcined alumina products are used in a wide range of ceramic and refractory applications. Alumina offers many specific properties - High compression strength, resistant to abrasion, chemically resistant, high hardness, high thermal conductivity, high dielectrical strength and resistant to thermal shock.

General Uses for Calcined Aluminium Oxide:

  • Ceramic materials such as Electronic devices
  • Mechanical parts
  • Whiteware
  • Fillers for resin
  • A key raw material for refractories and abrasives
  • In pottery it is used to increase glaze viscosity, firing range and resistance to crystallization.

Properties of Alumina:

  • CAS No. 1344-28-1
  • Chemical Formula: Al2O3
  • M.Wt: 101.96
  • S.Gravity: 3.95
  • d50 particle size - 3μm
  • Al2O3 %: 99.6
  • Na2O %: 0.3
  • SiO2 %: 0.03
  • Mohs Hardness: 9
  • Refractive Index: 1.768
  • Solubility: insoluble in water
  • Purity: 98% min.
  • Melting point: ca 2050C
  • Appearance: White crystalline powder
  • Other Names: Alumina calcined, calcined aluminium oxide, activated Alumina; alpha-Alumina

    Nabalox 315 is a specific type of high-purity alumina (aluminum oxide, Al₂O₃) produced by Nabaltec AG. It is characterized by its high chemical purity, controlled particle size distribution, and specific surface area, which make it suitable for a variety of advanced technical applications. Here are some key applications and uses:

    1. Ceramics

    • Application: Used as a raw material in the production of high-performance ceramics.
    • Use: Enhances the mechanical strength, thermal stability, and wear resistance of ceramic components used in industries such as automotive, aerospace, and electronics.

    2. Refractories

    • Application: Utilized in the production of refractory materials that withstand high temperatures.
    • Use: Key component in refractory bricks, crucibles, and linings for furnaces and kilns, ensuring durability and thermal insulation.

    3. Abrasives

    • Application: Incorporated into abrasive products for precision grinding and polishing.
    • Use: Ideal for producing fine abrasives used in applications requiring high surface quality, such as in the optical and electronics industries.

    4. Catalysts and Catalyst Supports

    • Application: Acts as a catalyst support in chemical processes.
    • Use: Provides a high surface area and thermal stability for catalysts used in petrochemical, environmental, and chemical synthesis applications.

    5. Electronic Components

    • Application: Used in the manufacturing of substrates and insulators for electronic components.
    • Use: Ensures high thermal conductivity and electrical insulation in products such as circuit boards, semiconductors, and LED components.

    6. Polishing Compounds

    • Application: Ingredient in polishing slurries and compounds.
    • Use: Provides high precision and fine finishes for polishing glass, metals, and other hard materials.

    7. Advanced Composites

    • Application: Reinforcement material in advanced composite materials.
    • Use: Enhances the mechanical properties, such as strength and toughness, of composite materials used in high-performance applications.

    8. Glass

    • Application: Used in the production of specialty glasses.
    • Use: Contributes to the thermal and mechanical properties of glass used in applications like optical lenses and glass fibers.

    9. Medical and Dental Applications

    • Application: Material for medical and dental prosthetics and implants.
    • Use: Provides biocompatibility, wear resistance, and strength in medical devices such as joint replacements and dental crowns.

    Properties of Nabalox 315:

    • High Purity: Ensures consistent performance and minimal contamination in high-precision applications.
    • Controlled Particle Size: Allows for uniform application and performance in end products.
    • High Surface Area: Beneficial for catalytic and adsorption applications.
    • Thermal Stability: Suitable for high-temperature applications.

    Handling and Safety:

    • Handling: Use appropriate PPE such as gloves and masks to avoid inhalation and contact with skin.
    • Safety: Generally non-toxic but should be handled with care to prevent inhalation of fine particles, which can cause respiratory issues.

    PLEASE NOTE: This product is not for human or animal consumption.


    Click Here for MSDS for Aluminium Oxide Calcined  

    Click here for Sales Specification Sheet for Alumina