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| Precision Powders - Particle Size Distributions |
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Standard Particle Size Distributions
For Garnet Abrasive Powders
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Nominal Particle Size (in microns) at Indicated Percentile of Grade
(production tolerances apply). |
Test Method: Leeds & Northrup Microtrac (Laser Diffraction)
Measures of particle size made with other equipment or methods are not directly comparable. |
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GRADE |
10% |
50% |
90% |
AVERAGE |
| 280W |
69.0 |
42.0 |
25.0 |
45.0 |
| 300W |
71.5 |
43.0 |
25.5 |
46.0 |
| 320W |
58.5 |
36.5 |
22.0 |
38.5 |
| 340W |
51.5 |
31.0 |
16.5 |
32.5 |
| 350W |
46.5 |
27.0 |
13.0 |
29.0 |
| W0 |
42.0 |
24.0 |
12.0 |
26.0 |
| W1 |
40.0 |
23.0 |
12.0 |
24.5 |
| W2 |
37.5 |
21.0 |
11.0 |
23.0 |
| W3 |
35.0 |
19.5 |
10.0 |
21.0 |
| W4 |
30.0 |
17.0 |
8.0 |
18.0 |
| W5 |
25.0 |
14.0 |
6.0 |
15.0 |
| W6 |
20.5 |
11.0 |
4.0 |
12.0 |
| W7 |
17.0 |
9.0 |
3.0 |
10.0 |
| W8 |
14.0 |
7.0 |
2.0 |
8.0 | | |
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