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Products Technical Data
Standard of Abrasive Powder for Bonded Abrasive
Tools
FEPA STANDARD
FEPA42-G-1984
| Particle Size |
The particle size
when integrated height reach
3% smaller than (dv-3) um |
The particle size when
integrated height reach
50% size range (dv-50) um |
The particle size when
integrated height reach
94% larger than(dv-94) um |
| F230 |
82 |
53.0±3.0 |
34 |
| F240 |
70 |
44.5±2.0 |
28 |
| F280 |
59 |
36.5±1.5 |
22 |
| F320 |
49 |
29.2±1.5 |
16.5 |
| F360 |
40 |
22.8±1.5 |
12 |
| F400 |
32 |
17.3±1.0 |
8 |
| F500 |
25 |
12.8±1.0 |
5 |
| F600 |
19 |
9.3±1.0 |
3 |
| F800 |
14 |
6.5±1.0 |
2 |
| F1000 |
10 |
4.5±0.8 |
1 |
| F1200 |
7 |
3.0±0.5 |
1(for 80%) |
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Japan Industry Standard
JISR6001-1987
| Particle size |
Largest Particle(dv-0) |
The particle size when
integrated height reach 3%(dv-3) |
The particle size when
integrated height reach 50%(dv-50) |
The particle size when
integrated height reach 94%(dv-94) |
| #240 |
<=127 |
<=103 |
57.0±3.0 |
>=40 |
| #280 |
<=112 |
<=87 |
48.0±3.0 |
>=33 |
| #320 |
<=98 |
<=74 |
40.0±2.5 |
>=27 |
| #360 |
<=86 |
<=66 |
35.0±2.0 |
>=23 |
| #400 |
<=75 |
<=55 |
30.0±2.0 |
>=20 |
| #500 |
<=63 |
<=50 |
25.0±2.0 |
>=16 |
| #600 |
<=53 |
<=41 |
20.0±1.5 |
>=13 |
| #700 |
<=45 |
<=37 |
17.0±1.3 |
>=11 |
| #800 |
<=38 |
<=31 |
14.0±1.0 |
>=9.0 |
| #1000 |
<=32 |
<=27 |
11.5±1.0 |
>=7.0 |
| #1200 |
<=27 |
<=23 |
9.5±0.8 |
>=5.5 |
| #1500 |
<=23 |
<=20 |
8.0±0.6 |
>=4.5 |
| #2000 |
<=19 |
<=17 |
6.7±0.6 |
>=4.0 |
| #2500 |
<=16 |
<=14 |
5.5±0.5 |
>=3.0 |
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Grit
| GritNo. |
The largest particle |
Larger Particle |
Basic particle |
Mixed Particle |
Small particle |
| |
100% pass the mesh |
Not pass the mesh |
Weight % min. |
Not pass the mesh |
Weight % min |
Not pass the mesh |
Weight % min |
pass the mesh Weight 3% max. |
| 36# |
20 |
30 |
25 |
35 |
45 |
35 40 |
65 |
45 |
| 40# |
25 |
35 |
30 |
40 |
40 |
40 45 |
65 |
50 |
| 46# |
30 |
40 |
30 |
45 |
40 |
45 50 |
65 |
60 |
| 54# |
35 |
45 |
30 |
50 |
40 |
50 60 |
65 |
70 |
| 60# |
40 |
50 |
30 |
60 |
40 |
60 70 |
65 |
80 |
| 70# |
45 |
60 |
25 |
70 |
40 |
70 80 |
65 |
100 |
| 80# |
50 |
70 |
25 |
80 |
40 |
80 100 |
86 |
120 |
| 90# |
60 |
80 |
20 |
100 |
40 |
100 120 |
85 |
140 |
| 100# |
70 |
100 |
20 |
120 |
40 |
120 140 |
85 |
200 |
| 120# |
80 |
120 |
20 |
140 |
40 |
140 170 |
65 |
230 |
| 150# |
100 |
140 |
15 |
170 200 |
40 |
170 200 230 |
65 |
325 |
| 180# |
120 |
170 |
15 |
200 230 |
40 |
200 230 270 |
65 |
|
| 220# |
140 |
200 |
15 |
230 270 |
40 |
230 270 325 |
60 |
|
| 240# |
170 |
200 |
5 |
230 270 |
8 |
230 270 325 |
38 |
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Remarks: The powders can be supplied by international
standard such as FEPA of Europe or JIS of Japan. We can also
supply powders in particle size range of 70-0.5 micron or
mixed powder.
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