White fused aluminum oxide grit size and application:
Basic grit size range of abrasive materials F series | |||||||||
Grit size | Basic grit size range(μm) | Coanest | Coarse grains | Basic grains | Mixed grains | Fine grains | |||
Pass the following sieves/sieve number | Can not pass the following sieves/sieve number | Weight≤ | The sieve can not pass/sieve number | Weight≥ | The sieve can not pass/sieve number | Weight≥ | The largest quantity passing through following sieve ≤3% | ||
F4 | 5600-4750 | 5/16 | 31/2 | 20 | 4 | 40 | 4-5 | 70 | 6 |
F5 | 4750-4000 | 0.265 | 4 | 20 | 5 | 40 | 5-6 | 70 | 7 |
F6 | 4000-3350 | 31/2 | 5 | 20 | 6 | 40 | 6-7 | 70 | 8 |
F7 | 3350-2800 | 4 | 6 | 20 | 7 | 40 | 7-8 | 70 | 10 |
F8 | 2800-2360 | 5 | 7 | 20 | 8 | 45 | 8-10 | 70 | 12 |
F10 | 2360-2000 | 6 | 8 | 20 | 10 | 45 | 10-12 | 70 | 14 |
F12 | 2000-1700 | 7 | 10 | 20 | 12 | 45 | 12-14 | 70 | 16 |
F14 | 1700-1400 | 8 | 12 | 20 | 14 | 45 | 14-16 | 70 | 18 |
F16 | 1400-1180 | 10 | 14 | 20 | 16 | 45 | 16-18 | 70 | 20 |
F20 | 1180-1000 | 12 | 16 | 20 | 18 | 45 | 18-20 | 70 | 25 |
F22 | 1000-850 | 14 | 18 | 20 | 20 | 45 | 20-25 | 70 | 30 |
F24 | 850-710 | 16 | 20 | 25 | 25 | 45 | 25-30 | 65 | 35 |
F30 | 710-600 | 18 | 25 | 25 | 30 | 45 | 30-35 | 65 | 40 |
F36 | 600-500 | 20 | 30 | 25 | 35 | 45 | 35-40 | 65 | 45 |
F40 | 500-425 | 25 | 35 | 30 | 40 | 40 | 40-45 | 65 | 50 |
F46 | 425-355 | 30 | 40 | 30 | 45 | 40 | 45-50 | 65 | 60 |
F54 | 355-300 | 35 | 45 | 30 | 50 | 40 | 50-60 | 65 | 70 |
F60 | 300-250 | 40 | 50 | 30 | 60 | 40 | 60-70 | 65 | 80 |
F70 | 250-212 | 45 | 60 | 25 | 70 | 40 | 70-80 | 65 | 100 |
F80 | 212-180 | 50 | 70 | 25 | 80 | 40 | 80-100 | 65 | 120 |
F90 | 180-150 | 60 | 80 | 20 | 100 | 40 | 100-120 | 65 | 140 |
F100 | 150-125 | 70 | 100 | 20 | 120 | 40 | 120-140 | 65 | 200 |
F120 | 125-106 | 80 | 120 | 20 | 140 | 40 | 140-170 | 65 | 230 |
F150 | 106-75 | 100 | 140 | 15 | 200 | 40 | 170 200 230 | 65 | 270 |
F180 | 90-63 | 120 | 170 | 15 | 200-230 | 40 | 200 230 270 | 65 | 270≤10% |
F220 | 76-53 | 140 | 200 | 15 | 230-270 | 40 | 230 270 325 | 65 | 325≤10% |
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