Item # 220 White Fused Aluminum Oxide, White Fused Aluminum Oxide

Highest purity fused aluminum oxide. Recommended for applications where trace elements and discoloration are critical.

Product NameWhite Fused Aluminum Oxide
Item #220 White Fused Aluminum Oxide
Grit/Sieve Size220
Microns (Median)63
Physical FormBlocky, with sharp edges
Hardness - Knoop Scale2000
Water SolubilityInsoluble
Typical Chemical Analysis
Al2O3 99.77%
SiO2 0.02%
Fe2O3 0.01%
Na2O 0.20%
CrystallographyHigh Purity Alpha Alumina, hexagonal crystal
ShapeSharp, Angular
Bulk Density1.88 - 1.43 gm/cm3 depending on size
Shelf LifeIndefinite
Inches/mm (avg.)0.0025/0.063
Specific gravity (g/cm3)3.96

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