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 ※  Tongkai Refractories and Abrasives Co.,Ltd » HOME » Products Standard » Comparison Chart for Grit Size Dimension Between China And Other Countries
Subject:Microgrits Grit F8 – F240
Microgrits Grit F8 – F240
Postdate:2005-11-04 17:55:47   Hits:677

Grit Main Grit Size Range ( unit: micron)
ChinaGB-2477-83 JapanJIS R6001-1987 AmericaANSI(74) ISO (86)FEPA(84)
8 2800 - 2360 2800 - 2360 2800 - 2360 2800 - 2360
10 2360- 2000 2360- 2000 2360- 2000 2360- 2000
12 2000 – 1700 2000 – 1700 2000 – 1680 2000 – 1700
14 1700 – 1400 1700 – 1400 1780 – 1410 1700 – 1400
16 1400 – 1180 1400 – 1180 1410 – 1190 1400 – 1180
20 1180 – 1000 1180 – 1000 1190 – 1000 1180 – 1000
22 1000 – 850 - - 1000 – 850
24 850 – 710 850 – 710 841 – 707 850 – 710
30 710 – 600 710 – 600 707 – 595 710 – 600
36 600 – 500 600 – 500 595 – 500 600 – 500
40 500 – 425 - - 500 – 425
46 425 – 355 425 – 355 420 – 354 425 – 355
54 355 – 300 355 – 300 354 – 297 355 – 300
60 300 –250 300 –250 297 – 250 300 –250
70 250 – 212 250 – 212 250 – 210 250 – 212
80 212 – 180 212 – 180 210 – 177 212 – 180
90 180 – 150 180 – 150 177 – 149 180 – 150
100 150 – 125 150 – 125 149 – 125 150 – 125
120 125 – 106 125 – 106 125 – 105 125 – 106
150 106 – 75 106 – 75 105 – 74 106 – 75
180 90 – 63 90 – 63 88 – 63 90 – 63
220 75 – 53 75 – 53 74 – 53 75 – 53
240 75 - 53 - 74 – 53 -