Brown Aluminium Oxide

A high-grade, high-purity alumina manufactured from the controlled melting of calcined bauxite, silica, coke and iron.

Available in premium grades specifically approved for aerospace applications, conforming to specifications such as Rolls Royce CSS12, Airbus ABR9-0160 etc.

This is also referred to as Alumac.

In addition to the grades below, micro grades and specialist blends are available.

Grades

BA12 ~ 1.765 mm
BA20 ~ 1.04 mm
BA36 ~ 0.525 mm
BA54 ~ 0.310 mm
BA80 ~ 0.185 mm
BA120 ~ 0.109 mm
BA180 ~ 0.069 mm
BA220 ~ 0.058 mm

All FEPA grades available. Our most popular sizes are shown.

Datasheets

Datasheet download contains

  • Technical Data Sheet
  • Material Safety Data Sheet
  • Technical Data Sheet Premium
  • Material Safety Data Sheet Premium

Properties

  • Abrasive Type: Aluminium
  • Density: 3.95 g/cm³
  • Bulk Density: 1.64 – 1.88 g/cm³
  • Hardness: 9 Mohs
  • Friability: Medium
  • Recyclability: High
  • Dust Levels: Medium
  • Shape: Angular
  • Colour: Brown

Applications

  • Surface finishing
  • Surface preparation
  • Bonded and coated abrasives
  • Casting and forgings
  • Refractories and furnace linings
  • Anti-slip/Safety flooring
  • Glass and ceramics
  • Metals
  • Polishing