A chart to show the megnetic content of abrasive grain of different size ranging from P8-P220.
| Grit Size | Megnetic Content No More Than (%) | |||
| A, A-P1 | A-B | A-P2 | A-S | |
| 8, P8 | 0.052 0 | 0.080 0 | 0.085 0 | - |
| 10, P10 | 0.050 0 | 0.078 0 | 0.083 0 | - |
| 12, P12 | 0.048 0 | 0.076 0 | 0.081 0 | - |
| 14, P14 | 0.046 0 | 0.074 0 | 0.079 0 | - |
| 16, P16 | 0.044 0 | 0.072 0 | 0.077 0 | 0.086 0 |
| 20 | 0.042 0 | 0.070 0 | 0.075 0 | 0.083 0 |
| 22, P20 | 0.040 0 | 0.068 0 | 0.073 0 | - |
| 24, P24 | 0.038 0 | 0.066 0 | 0.071 0 | 0.080 0 |
| 30, P30 | 0.036 0 | 0.064 0 | 0.069 0 | 0.077 0 |
| 36, P36 | 0.034 0 | 0.062 0 | 0.067 0 | 0.074 0 |
| 40 | 0.032 0 | 0.060 0 | 0.065 0 | - |
| 46, P40 | 0.030 0 | 0.058 0 | 0.063 0 | 0.071 0 |
| 54, P50 | 0.028 0 | 0.056 0 | 0.061 0 | 0.068 0 |
| 60, P60 | 0.026 0 | 0.054 0 | 0.059 0 | 0.065 0 |
| 70, P70 | 0.025 0 | 0.052 0 | 0.057 0 | 0.062 0 |
| 80, P80 | 0.024 0 | 0.050 0 | 0.055 0 | 0.059 0 |
| 90, P100 | 0.023 0 | 0.048 0 | 0.053 0 | 0.056 0 |
| 100 | 0.022 0 | 0.046 0 | 0.051 0 | 0.054 0 |
| 120, P120 | 0.021 0 | 0.045 0 | 0.050 0 | 0.053 0 |
| 150, P150 | 0.018 0 | 0.044 0 | 0.049 0 | 0.052 0 |
| 180, P180 | 0.018 0 | 0.044 0 | 0.049 0 | 0.052 0 |
| 220, P220 | 0.018 0 | 0.044 0 | 0.049 0 | 0.052 0 |