STANDARDS>>>F4 – F220 GRIT SIZE COMPARISON CHART

F4 – F220 GRIT SIZE COMPARISON CHART

Unit: µm

GRIT SIZE	CHINA （GB2477-83）	JAPAN （JISR6001-1998）	U.S.A ANSI（92）	Federation of European of Producers Abrasives FEPA（84）	International Standard Organization ISO（86）
F4	5600 – 4750		5600 – 4750	5600 – 4750	5600 – 4750
F5	4750 – 4000		4750 – 4000	4750 – 4000	4750 – 4000
F6	4000 – 3350		4000 – 3350	4000 – 3350	4000 – 3350
F7	3350 – 2800		3350 – 2800	3350 – 2800	3350 – 2800
F8	2800 – 2360	2800 – 2360	2800 – 2360	2800 – 2360	2800 – 2360
F10	2360 – 2000	2360 – 2000	2360 – 2000	2360 – 2000	2360 – 2000
F12	2000 – 1700	2000 – 1700	2000 – 1700	2000 – 1700	2000 – 1700
F14	1700 – 1400	1700 – 1400	1700 – 1400	1700 – 1400	1700 – 1400
F16	1400 – 1180	1400 – 1180	1400 – 1180	1400 – 1180	1400 – 1180
F20	1180 – 1000	1180 – 1000	1180 – 1000	1180 – 1000	1180 – 1000
F22	1000 – 850			1000 – 850	1000 – 850
F24	850 – 710	850 – 710	850 – 710	850 – 710	850 – 710
F30	710 – 600	710 – 600	710 – 600	710 – 600	710 – 600
F36	600 – 500	600 – 500	600 – 500	600 – 500	600 – 500
F40	500 – 425			500 – 425	500 – 425
F46	425 – 355	425 – 355	425 – 355	425 – 355	425 – 355
F54	355 – 300	355 – 300	355 – 300	355 – 300	355 – 300
F60	300 – 250	300 – 250	300 – 250	300 – 250	300 – 250
F70	250 – 212	250 – 212	250 – 212	250 – 212	250 – 212
F80	212 – 180	212 – 180	212 – 180	212 – 180	212 – 180
F90	180 – 150	180 – 150	180 – 150	180 – 150	180 – 150
F100	150 – 125	150 – 125	150 – 125	150 – 125	150 – 125
F120	125 – 106	125 – 106	125 – 106	125 – 106	125 – 106
F150	150 – 75	150 – 75	150 – 75	150 – 75	150 – 75
F180	90 – 63	90 – 63	90 – 63	90 – 63	90 – 63
F220	75 – 53	75 – 53	75 – 53	75 – 53	75 – 53

HARMONY ABRASIVES

F4 – F220 GRIT SIZE COMPARISON CHART

Unit: µm

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