Al2O3 Powder

$9.00

Aluminum oxide (alumina) is one of the most widely used engineering ceramics. It is a hard, wear resistant material that is chemically inert and stable at high temperatures. In addition, the high purity grades (i.e., white alumina) exhibit excellent electrical insulation (dielectric characteristics) and thermal conductivity. As a result of these excellent properties and its low cost, alumina finds its use in a number of engineering applications.

FORM

Powder

PARTICLE SIZE

106/20 µm, 106/38 µm, 106/45 µm, 45/15 µm, 45/20 µm, 53/20 µm, 63/20 µm, 75/20 µm

PROCESS

Flame Spray, HVOF, Plasma Spray

Categories: ,

Description

The materials are available in powder form in a range of size distributions and chemistries. Typically applied by atmospheric plasma spray, this material has been used in many applications requiring abrasive, sliding and erosive wear resistance such as wear pads, seal rings, liners etc. High purity alumina is used for electrical, thermal and biomedical applications such as high tension and high temperature insulation, as a substrate for electronic components and for medical implants.

Service Temperature: ≤ 1650 °C (3000 °F)

Melting point: 2054 °C (3729 °F)

Chemical Composition

Al2O3Fe2O3Na2OSiO2CaO
> 99.5< 0.05< 0.30< 0.02< 0.05

Application

  • Furnace linings
  • Rocket nozzles
  • Pump seals
  • Wear pads
  • Vacuum chamber liners
  • Electrical insulators
  • Electrostatic chucks and capacitors
  • Corona rolls
  • Hip and knee implants

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