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.


Abrasive Type



3.95 g/cm³

Bulk Density

1.7 g/cm³


9.0 Mohs





Dust Levels





BA220 0.053 – 0.074 mm
BA180 0.062 – 0.074 mm
BA150 0.074 – 0.105 mm
BA120 0.105 – 0.125 mm
BA100 0.125 – 0.149 mm
BA90 0.149 – 0.177 mm
BA80 0.177 – 0.21 mm
BA70 0.21 – 0.25 mm
BA60 0.25 – 0.297 mm
BA54 0.297 – 0.35 mm
BA46 0.35 – 0.42 mm
BA36 0.50 – 0.59 mm
BA30 0.59 – 0.71 mm
BA24 0.71 – 0.84 mm
BA20 1.00 – 1.19 mm
BA16 1.19 – 1.41 mm
BA14 1.41 – 1.68 mm
BA12 1.68 – 2.00 mm


Anti Skid / Road Maintenance
Anti Slip Floors / Safety Flooring
Anti Slip Resins and Paints
Bonded and Coated Abrasives
Castings and Forgings
Glass & Ceramics: Decorative marking
Glass & Ceramics: Frosting & line marking
Glass & Ceramics: Paint & print removal without damage
Glass & Ceramics: Satin finish
Lapping and Polishing/Lapidary/Optical
Metals: Aerospace approval
Metals: Cleaning without dimensional change
Metals: Flash removal
Metals: Keying surfaces for rubber/plastic bonding
Metals: Light deburring
Metals: Peening
Metals: Removal of hard deposits/investment
Metals: Matt or textured finish
Metals: Mould die and tool cleaning
Metals: Preconditioning and cleaning
Metals: Preparation for paint metal or plastic spraying
Metals: Preparation for enamelling/electroplating/anodising
Metals: Removal of paint/scale/rust
Metals: Removal of solder/weld/flex
Metals: Sheen finishing or anti-reflective treatment
Nuclear and Power Generation
Oil and Gas Industries
Plastics & Composites: Cosmetic matt or texture finish
Plastics & Composites: Deflashing & preparation of electronic components
Plastics & Composites: Deflashing thermoset mouldings
Plastics & Composites: Deflashing rubber components and die casting
Plastics & Composites: Preparation for paint or metal sprayings
Plastics & Composites: Removal of paint and coating
Refractories and Furnace Linings
Surface Finishing
Surface Preparation
Vapourblasting / Wetblasting
Vibratory Media Manufacture

Share this post