White fused alumina
White Fused Alumina is mainly used as a recyclable abrasive in blast cabinets and blast rooms, where high
purity of the abrasive is required. Because of its low iron content, white alumina is often used in blasting
operations where iron contamination on the non-ferrous metal substrate is not allowed.
Corundum white is one of the purest fused alumina and it is very hard and sharp with a fast cleaning rate.
It leaves a sharp anchor profile prior to coating and is suitable for removal of scale, rust and old coating layers.
Chemical composition
Al2O3 | Na2O | Fe2O3 | SiO2 |
99.58% | 0.33% | 0.03% | 0.06% |
Physical properties
Grain shape | Angular |
Hardness | 9.0 mohs |
Bulk density | 1.4 – 2.1 g/cm³ |
Specific gravity | min. 3.95 g/cm³ |
Colour | White |
Grain sizes
Product | Size range |
White Fused Alumina F12 | 1,40 – 2,00 mm |
White Fused Alumina F14 | 1,18 – 1,70 mm |
White Fused Alumina F16 | 1,00 – 1,40 mm |
White Fused Alumina F20 | 0,85 – 1,18 mm |
White Fused Alumina F22 | 0,71 – 1,00 mm |
White Fused Alumina F24 | 0,60 – 0,85 mm |
White Fused Alumina F30 | 0,50 – 0,71 mm |
White Fused Alumina F36 | 0,43 – 0,60 mm |
White Fused Alumina F40 | 0,36 – 0,50 mm |
White Fused Alumina F46 | 0,30 – 0,43 mm |
White Fused Alumina F54 | 0,25 – 0,36 mm |
White Fused Alumina F60 | 0,21 – 0,30 mm |
White Fused Alumina F70 | 0,18 – 0,25 mm |
White Fused Alumina F80 | 0,15 – 0,21 mm |
White Fused Alumina F90 | 0,13 – 0,18 mm |
White Fused Alumina F100 | 0,11 – 0,15 mm |
White Fused Alumina F120 | 0,09 – 0,13 mm |
White Fused Alumina F150 | 0,06 – 0,11 mm |
White Fused Alumina F180 | 0,06 – 0,09 mm |
White Fused Alumina F220 | 0,05 – 0,08 mm |
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