SiC Particle Sizes
Exceeding the Standard
Our vast experience with crushing and grading for particle size distribution, will give you exactly what you want, when you want it.
PARTICLE SIZES FOR CARBOREX®
Grit size to micron comparison chart
This grit chart is designed to give a general guideline for correlating FEPA, ANSI and JIS grit sizes to approximate micrometer sizes of the grit sizes.*
|
FEPA |
|
D50 |
|
|
F 230 |
82 |
53 +/-3 |
34 |
|
F 240 |
70 |
44.5 +/-2 |
28 |
|
F 280 |
59 |
36.5 +/-1.5 |
22 |
|
F 320 |
49 |
29.2 +/-1.5 |
16.5 |
|
F 360 |
40 |
22.8 +/-1.5 |
12 |
|
F 400 |
32 |
17.3 +/-1.5 |
8 |
|
F 500 |
25 |
12.8 +/-1 |
5 |
|
F 600 |
19 |
9.3 +/-1 |
3 |
|
F 800 |
14 |
6.5 +/-1 |
2 |
|
F 1000 |
10 |
4.5 +/-0.8 |
1 |
|
F 1200 |
7 |
3 +/-0.5 |
1 (at 80%) |
|
F 1500 |
5 |
2 +/-0.4 |
0.8 (at 80%) |
|
F 2000 |
3.5 |
1.2 +/-0.3 |
0.5 (at 80%) |
|
|
|
|
|
|
ANSI |
Maximum |
Average |
Minimum |
|
8 |
3300 |
2210 |
1650 |
|
10 |
2667 |
1854 |
1397 |
|
12 |
2286 |
1600 |
1143 |
|
14 |
1905 |
1346 |
940 |
|
16 |
1650 |
1092 |
787 |
|
20 |
940 |
1346 |
660 |
|
24 |
1092 |
686 |
457 |
|
30 |
813 |
559 |
356 |
|
36 |
762 |
483 |
305 |
|
46 |
559 |
356 |
241 |
|
54 |
496 |
305 |
203 |
|
60 |
406 |
254 |
165 |
|
70 |
330 |
203 |
127 |
|
80 |
292 |
165 |
102 |
|
90 |
241 |
145 |
89 |
|
100 |
203 |
122 |
63 |
|
120 |
165 |
102 |
50 |
|
150 |
140 |
89 |
38 |
|
180 |
114 |
76 |
25 |
|
220 |
102 |
63 |
20 |
|
240 |
85 |
50 |
25 |
|
280 |
70 |
39 |
19 |
|
320 |
60 |
31 |
14 |
|
400 |
45 |
22 |
11 |
|
500 |
40 |
19 |
10 |
|
600 |
35 |
16 |
9 |
|
700 |
32 |
14 |
7 |
|
800 |
30 |
12 |
5 |
|
900 |
23 |
9 |
3 |
|
1000 |
23 |
7 |
2 |
|
CF1 |
95 |
48 |
22 |
|
F |
77 |
40 |
18 |
|
FF |
67 |
33 |
14 |
|
FFF Coarse |
55 |
25 |
11 |
|
FFF |
45 |
19 |
10 |
|
FFFF |
35 |
11 |
4 |
|
JIS Grit Size |
D3% Max(micrometer) |
D50 |
D94% Min (micrometer) |
|
240 |
103 |
57 +/-3 |
40 |
|
280 |
87 |
48 +/-3 |
33 |
|
320 |
74 |
40 +/-2.5 |
27 |
|
360 |
66 |
35 +/-2 |
23 |
|
400 |
58 |
30 +/-2 |
20 |
|
500 |
50 |
25 +/-2 |
16 |
|
600 |
43 |
20 +/-1.5 |
13 |
|
700 |
37 |
17 +/-1.3 |
11 |
|
800 |
31 |
14 +/-1 |
9 |
|
1000 |
27 |
11.5 +/-1 |
7 |
|
1200 |
23 |
9.5 +/-0.8 |
5.5 |
|
1500 |
20 |
8 +/-0.6 |
4.5 |
|
2000 |
17 |
6.7 +/-0.6 |
4 |
|
2500 |
14 |
5.5 +/-0.5 |
3 |
|
3000 |
11 |
4 +/-0.5 |
2 |
|
4000 |
8 |
3 +/-0.4 |
1.3 |
|
6000 |
5 |
2 +/-0.4 |
0.8 |
|
8000 |
3.5 |
1.2 +/-0.3 |
0.6 (at 75%) |
*This chart is presented in good faith only as a approximation for correlating standard grit sizes to micron sizing. Washington Mills makes no warranty of exact measurements.
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