Particle Size Scales
|
Hegman |
NAPIRI |
Prod. Club |
Microns |
Mils |
US Sieve No. |
|
8 |
0 |
10 |
0 |
0 |
|
|
|
1 |
|
2.5 |
0.10 |
|
|
|
2 |
|
5.1 |
0.20 |
|
|
|
3 |
|
7.6 |
0.30 |
|
|
|
4 |
9 |
10.2 |
0.40 |
1250 |
|
7 |
5 |
|
12.7 |
0.50 |
|
|
|
6 |
|
15.2 |
0.60 |
800 |
|
|
7 |
|
17.7 |
0.70 |
|
|
|
8 |
8 |
20.3 |
0.80 |
|
|
|
9 |
|
22.9 |
0.90 |
|
|
6 |
10 |
|
25.4 |
1.00 |
550 |
|
|
|
7 |
30.5 |
1.20 |
|
|
|
|
|
31.8 |
1.25 |
|
|
5 |
|
|
38.1 |
1.50 |
400 |
|
|
|
6 |
40.6 |
1.60 |
|
|
|
|
|
44.5 |
1.75 |
325 |
|
4 |
|
5 |
50.8 |
2.00 |
|
|
|
|
|
53.3 |
2.10 |
270 |
|
|
|
|
57.2 |
2.25 |
|
|
|
|
4 |
61.0 |
2.40 |
230 |
|
3 |
|
|
63.5 |
2.50 |
|
|
|
|
|
69.9 |
2.75 |
|
|
|
|
3 |
71.1 |
2.80 |
|
|
|
|
|
73.7 |
2.90 |
200 |
|
2 |
|
|
76.2 |
3.00 |
|
|
|
|
2 |
81.3 |
3.20 |
|
|
|
|
|
82.6 |
3.25 |
|
|
1 |
|
|
88.9 |
3.50 |
170 |
|
|
|
1 |
91.4 |
3.60 |
|
|
|
|
|
95.3 |
3.75 |
|
|
0 |
|
0 |
101.6 |
4.00 |
|
|
|
|
|
104.1 |
4.10 |
140 |
|
|
` |
|
125 0 |
4.90 |
120 |
|
|
|
|
149 0 |
5.90 |
100 |
|
|
|
|
177 0 |
7.00 |
80 |
|
|
|
|
210 0 |
8.30 |
70 |
|
|
|
|
250 0 |
9.80 |
60 |
|
|
|
|
297 0 |
11.7 |
50 |
|
|
|
|
350 0 |
13.8 |
45 |
|
|
|
|
420 0 |
16.5 |
40 |
|
|
|
|
500 0 |
19.7 |
35 |
|
|
|
|
590 0 |
23.2 |
30 |
|
|
|
|
710 0 |
28.0 |
25 |
|
|
|
|
840 0 |
33.1 |
20 |
|
|
|
|
1000 0 |
39.4 |
18 |
|
|
|
|
1307 0 |
51.0 |
14 |
|
|
|
|
1923 0 |
75.0 |
10 |
|
|
|
|
2487 0 |
97.0 |
8 |
|
|
|
|
5205 0 |
203 0 |
4 |
