Aluminum Oxide Powder, Nano Grade Al2O3, Purity 99.9%

Crystal Structure: Gamma
Particle Size: 20 Nanometers
Weight: 2.2 lb (1kg)
Sale price$103.00


Aluminum oxide, also known as alumina (Al₂O₃). Our Nano Aluminum Oxide Powder delivers high-purity, nano-scale precision for diverse industrial applications. Engineered with exceptional properties—strong corrosion resistance, remarkable hardness, and improved material density—it's ideal for catalysts, abrasives, ceramics, coatings, and various industrial processes.

CAS Number: 1344-28-1
EINECS Number: 215-691-6
Odor: Odorless
Crystal Structure: Alpha or Gamma
Particle Size: 20~50nm, 2 microns, Customization

Appearance: White ultrafine powder
Assay [Al2O3]: 99.9% min.
Mn: 1 ppm max.
Fe: 15 ppm max.
Cu: 0.5 ppm max.
Si: 15 ppm max.
Ti 1.5 ppm max.
Na: 20 ppm max.
K: 20 ppm max.

Key Characteristics:

  1. Corrosion Resistance: Exhibits strong resistance and chemical inertness.
  2. High Transmittance: Offers superior transparency compared to traditional alumina.
  3. Lower Sintering Temperature: Reduces the required temperature for sintering processes.
  4. Improved Ceramic Density: Enhances the density of ceramics.
  5. Enhanced Impact Resistance: Improves the impact resistance of ceramics.


  1. Gas Phase Preparation: Manufactured via a gas phase method, ensuring higher purity and smaller particle size.
  2. Increased Surface Area: Higher BET surface area and activity, lower bulk density for easy dispersion and use.
  3. Stable Crystal Phase: MarkNature Nano Aluminum Oxide maintains stable crystal phase, high hardness, and excellent stability.


  1. Reinforcement: Enhances plastics, rubber, and ceramics for improved compactness, smoothness, and thermal fatigue properties.
  2. Far-Infrared Emission: Used in chemical fiber products and high-pressure sodium lamps for far-infrared emission and thermal insulation.
  3. Electrical Insulation: α-phase alumina, with high resistivity and insulation properties, finds application in YGA laser crystal accessories and integrated circuit substrates.

Our Nano Aluminum Oxide Powder provides tailored solutions for specific industrial needs, offering reliability, superior performance, and versatility across multiple applications.

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