Aluminium Oxide Abrasive


Fused Aluminium Oxide is an artificial corundum, produced to form a very hard angular abrasive. Aluminium Oxide is used for cleaning, descaling, etching, deburring, finishing, coating removal and surface preparation.

Aluminium Oxide produces an etched finish; finer grits produce a dull matt finish, while larger grits produce a deep rough etch. Aluminium Oxide is an aggressive blasting media with a very fast cutting speed. Available in brown and white.


Cleaning, descaling, coating and contamination removal, etching and surface preparation of ferrous and non ferrous metallic parts prior to rework, painting, coating, anodizing and powder coating.

Removal of thermal metal spray and carbon deposits from jet and gas engine components and turbochargers prior to rebuild, anodizing and thermal metal spray. Decorative glass, stone, metal and wood etching and carving.

Size Details
Grit No. 12 16 24 36 46 60 80
Mean size in µm 2360 1190 710 500 355 250 180
Size Details
Grit No. 100 120 150 180 220 240 320
Mean size in µm 125 105 75 63 53 45 30

Note: Standard product sizing is per FEPA 42-GB-1984. Other sizes and specifications available upon request.

Physical Properties
Hardness Specific Gravity Bulk Density Shape Colour
9.0 Mohs > 3.9 g/cm³ ≈1800kg/m³ Angular Dark brown
Typical Chemical Composition – Brown
Al2O3 TiO2 SiO2 Fe2O3 CaO
95.52% 3.05% 0.72% 0.16% 0.022%
Typical Chemical Composition – White
Al2O3 Na2O SiO2 Fe2O3 CaO
99.33% 0.34% 0.036% 0.09% 0.05%
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