Luoyang Hong Feng Refractories and Abrasives Co., Ltd

- Facilities - Products Standard - Comparison Chart for Grit Size Dimension Between China And Other Countries

Microgrits Grit F8 – F240

Grit	Main Grit Size Range ( unit: micron)
Grit	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	-