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Macrogrits F4~F220 Specifications (FEPA 42-1:2006)

FEPA standard 42-1:2006. Macrogrits F4~F220 for grains of fused aluminium oxide, silicon carbide and other abrasive materials for bonded abrasives.

From: Date: 2013-10-09 09:06:27Views: 4173
Specification 100% min 20% max 40% min 70% min 3% max thru
Grit Sieve Sieve Sieve Sieve Sieve
4 5/16 3 1/2 4 4+5 6
5 0.265 4 5 5+6 7
6 3 1/2 5 6 6+7 8
7 4 6 7 7+8 10
Specification 100% min 20% max 45% min 70% min 3% max thru
8 5 7 8 8+10 12
10 6 8 10 10+12 14
12 7 10 12 12+14 16
14 8 12 14 14+16 18
16 10 14 16 16+18 20
20 12 16 18 18+20 25
22 14 18 20 20+25 30
Specification 100% min 20% max 45% min 65% min 3% max thru
24 16 20 25 25+30 35
30 18 25 30 30+35 40
36 20 30 35 35+40 45
Specification 100% min 30% max 40% min 65% min 3% max thru
40 25 35 40 40+45 50
46 30 40 45 45+50 60
54 35 45 50 50+60 70
60 40 50 60 60+70 80
Specification 100% min 25% max 40% min 65% min 3% max thru
70 45 60 70 70+80 100
80 50 70 80 80+100 120
Specification 100% min 20% max 40% min 65% min 3% max thru
90 60 80 100 100+120 140
100 70 100 120 120+140 200
120 80 120 140 140+170 230
Specification 100% min 15% max 40% min 65% min 3% max thru
150 100 140 200 200+230 325
180 120 170 200 200+230+270 -
Specification 100% min 15% max 40% min 60% min  
220 140 200 230 230+270+325 -
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