| Abrasive Grains: Aluminum Oxide |
|
|---|---|
| G | Brown |
| A | Semi Friable |
| W | White |
| F | Friable |
| Q | Ceramic |
| U | Tough Ceramic |
| L | Ceramic |
| R | Ceramic Coated |
| Silicon Carbide | |
| X | Black Silicon Carbide |
| C | Green Silicon Carbide |
| Grit Size | |
| 16 – 24 | Coarse |
| 36 – 80 | Medium |
| 100 -180 | Fine |
| 200 + | Very Fine |
| Hardness | |
| A – F | Soft |
| G – L | Medium |
| M+ | Hard |
| Bond | |
| B – | Resin |
| BP | Epoxy |