| Blasting Aluminum Oxide ("Brown Fused") |
White Fused Aluminum Oxide | Black Silicon Carbide | Glass Bead | |
| Physical Form | Blocky, solid, angular | Blocky, solid, angular | Blocky, solid, sharp | Spherical, solid |
| Color | Brown | White | Black | Clear |
| Specific Gravity | 3.98 | 3.96 | 3.20 | -- |
| Bulk Density | 2.03 | 1.94 | 1.52 | -- |
| Hardness: Knoop 100 |
2050 | 2000 | 2450 | -- |
| Typical Chemical Analysis | Al2O3 - 96-97% TiO2 - 2.75% SiO2 - 0.61% Fe2O3 - 0.54% |
Al2O3 - 99.75% SiO2 - 0.02% Fe2O3 - 0.04% Na2O - 0.2% |
SiC - 97.80% SiO2 - 1.26% Si - 0.49% Fe - 0.15% Al - 0.10% C - 0.20% |
SiO2 - 71.03% Al2O3 - 1.31% Fe2O3 - 0.18% BaO - 0.03% CaO - 0.44% MgO - 3.76% Na2O - 16.52% K2O - 0.39% |
| Available Grit Sizes and Powder Sizes | 8-240 280-1200 |
8-240 280-1200 |
8-240 280-1200 |
Mil Sizes 3 to 13 |