COATED
ABRASIVES
63
Particle Size
In Micron
Aluminium Oxide, Silicon Carbide,
Zirconia Aluminia
Emery Cloth
Glass Paper
Flint
Grading Systems
CAMI
FEPA
0,3
–
–
–
–
–
0,5
–
–
–
–
–
1,0
–
–
–
–
–
2,0
–
–
–
–
–
3,0
–
–
–
–
–
4,0
–
–
–
–
–
5,0
–
–
–
–
–
6,0
–
–
–
–
–
6,5
1200
–
–
–
–
9,0
–
–
–
–
–
9,2
1000
–
–
–
–
12,0
–
–
–
–
–
12,2
800
–
–
–
–
15,0
–
–
–
–
–
15,3
–
P1200
–
–
–
16,0
600
–
–
–
–
18,3
–
P1000
–
–
–
19,7
500
–
–
–
–
20,0
–
–
–
–
–
21,8
–
P800
–
–
–
23,6
400
–
–
–
–
25,0
–
–
–
–
–
27,75
–
P600
–
–
–
28,8
360
–
–
–
–
30,0
–
–
–
–
–
30,2
–
P500
–
–
–
35,0
–
P400
–
–
–
36,0
320
–
–
–
–
40,0
–
–
–
–
–
40,5
–
P360
–
–
–
44,0
280
–
–
–
–
45,0
–
–
–
–
–
46,2
–
P320
–
–
–
50,0
–
–
–
–
–
52,5
–
P280
–
–
–
53,5
240
–
–
–
–
55,0
–
–
–
–
–
58,5
–
P240
–
–
–
60,0
–
–
–
–
–
60,5
–
P220
–
–
–
66,0
220
–
–
–
4/0
78,0
180
P180
–
00
3/0
93,0
150
–
Fine
–
2/0
97,0
–
P150
–
0
–
116,0
120
–
–
–
0
127,0
–
P120
–
1
–
141,0
100
–
Medium
–
1
156,0
–
P100
–
11/2
–
192,0
80
–
–
–
3
197,0
–
P80
–
F2
–
260,0
–
P60
–
M2
–
268,0
60
–
Coarse
–
4
326,0
–
P50
–
S2
–
351,0
50
–
–
–
–
412,0
–
P40
–
21/2
–
428,0
40
–
–
–
6
524,0
–
P36
–
36
–
535,0
36
–
X Coarse
–
–
622,2
–
P30
–
–
–
638,0
30
–
–
–
–
715,0
24
–
–
–
–
740,0
–
P24
–
–
–
905,0
20
–
–
–
–
984,0
–
P20
–
–
–
1320,0
16
–
–
–
–
1324,0
–
P16
–
–
–
1764,0
–
P12
–
–
–
1842,0
12
–
–
–
–