A high-grade, ultra-pure alumina manufactured calcined alumina. Available in premium grades specifically approved for aerospace applications, 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.

PROPERTIES

Abrasive Type

Aluminium

Density

3.95 g/cm³

Bulk Density

1.7 g/cm³

Hardness

9.5 Mohs

Friability

Low

Recyclability

High

Dust Levels

Medium

Shape

Angular

GRADES

WA220 0.053 – 0.074 mm
WA180 0.062 – 0.074 mm
WA150 0.074 – 0.105 mm
WA120 0.105 – 0.125 mm
WA100 0.125 – 0.149 mm
WA90 0.149 – 0.177 mm
WA80 0.177 – 0.21 mm
WA70 0.21 – 0.25 mm
WA60 0.25 – 0.297 mm
WA54 0.297 – 0.35 mm
WA46 0.35 – 0.42 mm
WA36 0.50 – 0.59 mm
WA30 0.59 – 0.71 mm
WA24 0.71 – 0.84 mm
WA20 1.00 – 1.19 mm
WA16 1.19 – 1.41 mm
WA14 1.41 – 1.68 mm
WA12 1.68 – 2.00 mm

APPLICATIONS

Anti Slip Floors / Safety Flooring
Automotive
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
Polishing
Refractories and Furnace Linings
Surface Finishing
Surface Preparation
Vapourblasting / Wetblasting
Vehicles
Vibratory Media Manufacture
Wet/Slurry Blasting