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brown fused alumina, white aluminum oxide, green silicon carbide, black silicon carbide, garnet, stainless steel shot
brown fused alumina, white aluminum oxide, green silicon carbide, black silicon carbide, garnet, stainless steel shot
| Available grain sizes | |||||
| Grit No. | Micron | Grit No. | Micron | Grit No. | Micron |
| 10 | 2360 ~ 2000 | 30 | 710 ~ 600 | 80 | 212 ~ 180 |
| 12 | 2000 ~ 1700 | 36 | 600 ~ 500 | 90 | 180 ~ 150 |
| 14 | 1700 ~ 1400 | 40 | 500 ~ 425 | 100 | 150 ~ 125 |
| 16 | 1400 ~ 1180 | 46 | 425 ~ 355 | 120 | 125 ~ 106 |
| 20 | 1180 ~ 1000 | 54 | 355 ~ 300 | 150 | 106 ~ 75 |
| 22 | 1000 ~ 850 | 60 | 300 ~ 250 | 180 | 90 ~ 63 |
| 24 | 850 ~ 710 | 70 | 250 ~ 212 | 220 | 75 ~ 53 |
| Physical PropertiesColorDark BrownBulk Density115-125lb/cu.ft.Specific Gravity3.9Grain ShapeAngular/sharpHardness9 Mohs |
| Chemical Composition (% by weight)Grit No. 16–30 36-6070-90100–120 150-180220 Al2O394.5 - 97.093.5 min92.5 minTiO21.5 - 3.81.5 - 3.81.5 - 3.8Magnetic Matters<0.0380<0.0280<0.0230 <0.0230 <0.0170<0.0170 |