Fultech Technology 2003.

 

 


 

1998 Edition JIS Grint-Size Conversion Table
# Product
Range
(um)
Max Size
(um)
>3%
(um)
>50%
(um)
>94%
(um)
#240
60.0 ~ 54.0
<127
<96
57.0 กำ 3.0
>40.0
#280
51.0 ~ 45.0
112
80
48.0 3.0
33.0
#320
42.5 ~ 37.5
98
68
40.0 2.5
27.0
#360
37.0 ~ 33.0
86
60
35.0 2.0
23.0
#400
32.0 ~ 28.0
75
52
30.0 2.0
20.0
#500
27.0 ~ 23.0
63
43
25.0 2.0
16.0
#600
21.5 ~ 18.5
53
36
20.0 1.5
13.0
#700
18.3 ~ 15.7
45
32
17.0 1.3
11.0
#800
15.0 ~ 13.0
38
27
14.0 1.0
9.0
#1000
12.5 ~ 10.5
32
22
11.5 1.0
7.0
#1200
10.3 ~ 8.7
27
20
9.5 0.8
5.5
#1500
8.6 ~ 7.4
23
17
8.0 0.6
4.5
#2000
7.3 ~ 6.1
19
14
6.7 0.6
4.0
#2500
6.0 ~ 5.0
16
11
5.5 0.5
3.0
#3000
4.5 ~ 3.5
13
9
4.0 0.5
2.0
#4000
3.4 ~ 2.6
11
6
3.0 0.4
1.3
#6000
2.4 ~ 1.6
8
4
2.0 0.4
0.8
#8000
1.5 ~ 0.9
6
2
1.2 0.3
0.6


*In 1998 the previous version of JIS R6001 has been changed. Based on the international standard of ISO8486 some changes were made to the new 1998 Edition JIS Standard.