Comparison of diamond abrasive material's grain size scope
 
   

LZQ

Japan
JIS 6002-63

 International
ISO6106-79		 West Europe
FEPA		 U.S.A.
ANSIB74.16-71
China
JB2808-79		 West Germany
DIN 848-65

Grain size

N0.

Nominal size

in μ

Grain size


ISO6106-79

Grain size

N0. Ⅱ

Grain size

N0.

Nominal size

in μ

Grain size

N0.

Nominal size

in μ

Grain size

N0.

Nominal size

in μ

Grain size

N0.

Nominal size

in μ
501 D501 500/425 Narrow range 36# 500/400 D450 400/500
46# 420/350 427 40/50 D427 455/302 20/25 841/707 46# 400/315 D350 315/400
60# 290/250 301 50/60 D301 322/255 25/30 707/595 60# 315/250 D280 250/315
70# 250/210 251 D251 271/213 30/35 595/500 70# 250/200 D220 200/250
80# 210/177 213 D213 227/181 35/40（GE） 500/420 80# 200/160 D180 160/200
D181 197/151 40/45 420/354
100# 149/125 151 100/120 D151 165/127 45/50 354/297 100# 160/125 D140 125/16 0
120# 125/105 126 120/140 D126 139/107 50/60 297/250 120# 125/100 D110 100/125
D107 116/90 60/70（CE） 250/210
150# 105/74 91 170/200 D91 97/75 70/80（CE） 210/177 150# 100/80 D90 80/100
180# 88/63 76 200/230 D76 85/65 80/100 177/149 180# 80/63 D65 63/80
240# D64 75/57 100/120 149/125
280# 53/44 54 270/325 D54 65/49 120/140 125/105 240# 63/50 D55 50/63
320# 44/37 46 325/400 D46 57/41 140/170 108/88 280# 50/40 D45 40/50
400# 37/34 M63 42/84 170/200 88/74 W40 40-20 D30 32/40
500# 34/28 M40 27/53 200/230 74/63 W28 28-14 D25 25/32
600# 28/24 M25 16/34 230/270 63/53 W20 20-10 D20 25/40
700# 24/20 M16 10/22 270/325 63/44 W14 14-7.0 D20B 30/40
800# 20/16 M10 6/14 325/400 44/37 W10 10-5.0 D20A 25/30
1000# 16/13 M6.3 4/9 Wide range W7 7.0-3.5 D15 10/25
1200# 13/10 M4.0 2.5/5.5 16/20 841/595 W5 5.0-2.5 D15C 20/25
1500# 10/8 M2.5 1.5/3.5 20/30 595/420 W3.5 3.5-1.5 D15B 15/20
2000# 8/6 M1.6 1/2.5 30/40 420/297 W2.5 2.5-1.0 D15A 10/15
2500# 6/5 M1.0 0.5/1.5 40/50 250/177 W1.5 1.5-0.5 D7 5/10
3000# 5/4 60/80 707/500 W1.0 1.0-0 D3.5 2/5
4000# 4/3 25/35 500/354 W0.5 0.5-0 D1 1/2
5000# 3/2 35/45 354/250 D0.7 0.5/1
8000# 2/1 60/70 250/210 D0.25 ＜0.5
15000# 1/0 70/100 210/149
Corresponding grain of diamond mould's grinding procedure
Grinding procedure Rough grinding Semi-finish grinding Finish grinding Polishing
Grain size 50/60～80/100 120/140～200/230 230/270～400#-500# 400#-500#～3000#-4000#
◆.Relationship between grain size and surface roughness (reference data)