공정

Grade No.

US Standard (Micron)

Mesh Sizes

광택

1/4
1/2
1
2
3
4
6

0-1/2
0-1
0-2
1-3
2-4
2-6
4-8

60,000
25,000
10,000
9,000
8,500
6,000
3,000

래핑

9
12
15
17
20
25
30
35
45

6-12
8-15
10-20
15-20
15-25
20-30
22-36
30-40
36-54

1,800
1,500
1,200
1,100
1,000
880
600
500
450

연마

400
320
240
220
180
150
120
110
105
100
60
46

35-45
45-53
53-63
63-75
75-90
90-106
106-125
125-150
150-180
180-250
250-300
300-425

325-400
270-325
230-270
200-230
170-200
140-170
120-140
100-120
80-100
60-80
50-60
40-50

공정

Grade No.

US Standard (Micron)

Mesh Sizes

광택

1/10
1/8
1/4
3/4
1/2
1
1
1.5
2
2.5
3
4
4
4.5
5
6
6
7.5
8.5

0-1/5
0-1/4
0-1/2
0.5-1.0
0-1
0.5-1.5
0-2
1-2
1-3
2-3
2-4
2-6
3-5
3-6
4-6
5-7
4-8
5-10
7-10

250,000
200,000
60,000
28,000
25,000
 
10,000
 
9,000
 
8,500
6,000
 
4,500
4,000
3,500
3,000
2,500
2,000

래핑

9
10
12
12
15
17
17
20
25
30
30
35
45
45
50

6-12
8-12
10-14
8-15
10-20
14-20
15-20
15-25
20-30
22-36
20-40
30-40
40-50
36-54
40-60

1,800
1,700
1,600
1,500
1,200
 
1,100
1,000
880
600
575
500
460
450
300

연마

400
320
240
220
180
150
120
110

35/45
45/53
53/63
63/75
75/90
90/106
106/125
125/150

325/400
270/325
230/270
200/230
170/200
140/170
120/140
100/120

Grit size

3% max. larger than (마이크론)

50% min, in size range, (마이크론)

94% min, larger than (마이크론)

F12
F14
F16
F20
F24
F30
F36
F40
F46
F54
F60
F70
F80
F90
F100
F120
F150
F180
F220
F240
F280
F320
F360
F400
F500
F600
F800
F1000
F1200

2000
1700
1400
1180
 850
 710
 600
 500
 425
 355
 300
 250
 212
 180
 150   
125
106
 90
 75
 70
 59
 49
 40
 32
 25
 19
 14
 10
  7

N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
50.0~56.0
42.5~46.5
35.0~38.0
27.7~30.7
21.3~24.3
16.3~18.3
11.8~13.8
8.3~10.3
5.5~7.5
3.7~5.3
2.5~3.5

1400
1180
1000
 850
 600
 500
 425
 355
 300
 250
 212
 180
 150
 125
 106
 90
 63
 53
 45
 28
 22
 16.5
 12
  8
  5
  3
  2
  1
  1