Home > Technical > Tables and Charts > Abrasive Grading STD
| ANSI | Micron | P-grade | JIS | Ave Diameter (.001 in) |
| -- | 0.3 | -- | -- | .012 |
| -- | 0.5 | -- | -- | .02 |
| -- | 1 | -- | 8000 | .04 |
| -- | 2 | -- | 6000 | .079 |
| -- | 3 | -- | 4000 | .12 |
| -- | 4 | -- | -- | .16 |
| -- | 5 | -- | 3000 | .20 |
| 1200 | 6 | -- | 2000 | .24 |
| 1000 | 9 | -- | 1500 | .35 |
| 800 | 12 | -- | 1200 | .47 |
| 600 | 16 | P1200 | 1000 | .62 |
| 500 | 20 | P1000 | 800 | .79 |
| 400 | 24 | P800 | 700 | .92 |
| 360 | 28 | P600 | 600 | 1.10 |
| 320 | 36 | P400 | 500 | 1.40 |
| 280 | 44 | P320 | -- | 1.80 |
| 240 | 55 | P280 | 360 | 2.10 |
| -- | 60 | P240 | 320 | 2.30 |
| 220 | 65 | P220 | 280 | 2.60 |
| 180 | 80 | P180 | 240 | 3.00 |
| 150 | 95 | P150 | -- | 3.60 |
| 120 | 120 | P120 | -- | 4.50 |
| 80 | 200 | P80 | -- | 7.50 |
| 60 | 260 | P60 | -- | 11.00 |
| 40 | -- | P40 | -- | 17.00 |
| 36 | -- | P36 | -- | 21.00 |
| 24 | -- | P24 | -- | 28.00 |
| 16 | -- | P16 | -- | 52.00 |
| 12 | -- | P12 | -- | 72.00 |