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Fused aluminum oxide

Fused Aluminum Oxide is made into many shapes and grit sizes ranging from macrogrits to microgrits and powders. Fused aluminum oxide is a tough, hard material (Mohs hardness 9) with high strength, excellent wear and corrosion resistance and good thermal conductivity. Fused alumina is widely used as a raw material in refractories, ceramics shapes, grinding wheels, sandpaper, blasting media, metal preparation, laminates, coatings, lapping, polishing, grinding and hundreds of other applications. Fused alumina grains and powders are available in standard grit and powder sizes and they can also be made to individual specifications. Please see below for information about some of our fused aluminum oxide materials.

Available popular sizes (White):

Model Size Density
(g/cm3 min)
Hardness Specific gravity
(g/cm3 min)
Microns (μm) Inch
WFA 24# 850 - 710 0.033 - 0.0028 3.95 9.1 1.75 - 1.95
WFA 36# 600 - 500 0.0236 - 0.0196 3.95 9.1 1.75 - 1.95
WFA 46# 425 - 355 0.0178 - 0.0013 3.95 9.1 1.75 - 1.95
WFA 80# 212 - 180 0.008 - 0.007 3.95 9.1 1.75 - 1.95
WFA 100# 150 - 125 0,0059 - 0,0049 3.95 9.1 1.75 - 1.95
WFA 120# 125 - 106 0.0049 - 0.0042 3.95 9.1 1.75 - 1.95
WFA 150# 106 - 75 0.0042 - 0.0029 3.95 9.1 1.75 - 1.95

Available popular sizes (Brown):

Model Size Density
(g/cm3 min)
Hardness Specific gravity
(g/cm3 min)
Microns (μm) Inch
BFA 24# 850 - 710 0.033 - 0.0028 3.95 9 1.7 - 1.9
BFA 36# 600 - 500 0.0236 - 0.0196 3.95 9 1.7 - 1.9
BFA 46# 425 - 355 0.0178 - 0.0013 3.95 9 1.7 - 1.9
BFA 80# 212 - 180 0.008 - 0.007 3.95 9 1.7 - 1.9
BFA 120# 125 - 106 0.0049 - 0.0042 3.95 9 1.7 - 1.9
BFA 150# 106 - 75 0.0042 - 0.0029 3.95 9 1.7 - 1.9

Applications

White Fused Alumina is designed for general industrial use in operations such as lapping, polishing, refractory coating for investment cast shells, decorative non-skid tile, and pressure blasting. It is used where a high purity and/or highly friable abrasive is desired.

Alumina oxide sands

Fused alumina