| Item | PC221 |
| Backing | Polyester Y-wt (P16 ~ P80), X-wt (P100 ~ P600) |
| Bonding | Resin over Resin |
| Grain Type | Silicon Carbide |
| Coating | Close coat |
| Grit Range | P16 ~ P600 |
| Workpiece | Brass sheet, Glass, Paint removal, Titanium sheet polishing, Ceramics |
| Application | Wet & Dry, lubricant coolant, deburring forgings and casting, automatic grinding with water |
| Advantages | Long life time, High cut rate, oil & water resistant, good surface finishing. |