PSD White fused alumina macrogrit:
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 |
PSD FEPA White fused alumina micropowder
Grit | D3 value max um | D50 value um | D94 value min um |
| F230 | 82 | 53.0±3.0 | 34 |
| F240 | 70 | 44.5±2.0 | 28 |
| F280 | 59 | 36.5±1.5 | 22 |
| F320 | 49 | 29.2±1.5 | 16.5 |
| F360 | 40 | 22.8±1.5 | 12 |
| F400 | 32 | 17.3±1.0 | 8 |
| F500 | 25 | 12.8±1.0 | 5 |
| F600 | 19 | 9.3±1.0 | 3 |
| F800 | 14 | 6.5±1.0 | 2 |
| F1000 | 10 | 4.5±0.8 | 1 |
| F1200 | 7 | 3.0±0.5 | 1 |
| F1500 | 5 | 2.0±0.4 | 0.8 |
| F2000 | 3.5 | 1.2±0.3 | 0.5 |
PSD JIS White fused alumina micropowder
| Grit | D0 value max um | D3 value max um | D50 value um | D94 value min um |
| #240 | 127 | 103 | 57.0±3.0 | 40 |
| #280 | 112 | 87 | 48.0±3.0 | 33 |
| #320 | 98 | 74 | 40.0±2.5 | 27 |
| #360 | 86 | 66 | 35.0±2.0 | 23 |
| #400 | 75 | 58 | 30.0±2.0 | 20 |
| #500 | 63 | 50 | 25.0±2.0 | 16 |
| #600 | 63 | 41 | 20.0±1.5 | 13 |
| #700 | 45 | 37 | 17.0±1.5 | 11 |
| #800 | 38 | 31 | 14.0±1.0 | 9 |
| #1000 | 32 | 27 | 11.5±1.0 | 7 |
| #1200 | 27 | 23 | 9.5±0.8 | 5.5 |
| #1500 | 23 | 20 | 8.0±0.6 | 4.5 |
| #2000 | 19 | 17 | 6.7±0.6 | 4 |
| #2500 | 16 | 14 | 5.5±0.5 | 3 |
| #3000 | 13 | 11 | 4.0±0.5 | 2 |
| #4000 | 11 | 8 | 3.0±0.4 | 1.8 |
| #6000 | 8 | 5 | 2.0±0.4 | 0.8 |
| #8000 | 6 | 3.5 | 1.2±0.3 | 0.6 |
