Grain: FEPA #12-#220
Micro-powder: FEPA #230-#1200
JIS #240-#3000
| Grains Types and Grades | |||||
| Usage | For vitrified wheels | For belts | For sheets | For organic wheels | For blasting |
| Type&Grade | A | A-P 1 | A-P 2 | A-B | A-S |
| Chemical composition | |||||
| GB/T 2478-1996 | CaO typical analysis | ||||
| Type&Grade | Grit | Chemical Composition(%,by weight) | |||
| AL 2 O 3 | TiO 2 | CaO | |||
| A | F4~F80 | 95.0~97.5 | 1.5~3.8 | ≤ 0.45 | 0.25 |
| F90~F150 | 94.0~97.5 | ||||
| F180~F220 | 93.0~97.5 | ||||
| F220 finer | ≥ 92.0 | ||||
| A-P 1 | P12~P80 | 95.0~97.5 | 1.5~3.8 | ≤ 0.45 | 0.25 |
| P100~P150 | 94.0~97.5 | ||||
| P180~P220 | 93.0~97.5 | ||||
| P220 finner | ≥ 92.0 | ||||
| A-B | F4~F80 | ≥ 93.0 | 1.5~4.2 | 0.28 | |