The chart indicates the magnetic content of silicon carbide of different grit size for different uses.
Grit Size Range | Megnetic Content | |||
For Vitrified Abrasives & Sanding Belts (no more than) |
For Organic Abrasives & Coated Abrasives of Manual Sheet Type (no more than) |
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Black Silicon Carbide |
16#-30# | P12- P30 | 0.03 | 0.075 |
36#-60# | P36-P60 | 0.025 | 0.065 | |
70#-120# | P80-P150 | 0.02 | 0.055 | |
150#-220# | P180-P220 | 0.015 | 0.035 | |
Green Silicon Carbide |
16#-30# | P12- P 30 | 0.02 | 0.035 |
36#-60# | P36-P60 | 0.017 | 0.03 | |
70#-120# | P80-P150 | 0.015 | 0.025 | |
150#-220# | P180-P220 | 0.012 | 0.02 |