石英砂粒径目与毫米的换算
序号 | 目 | 毫米 |
1 | 2.5 | 8.000 |
2 | 3 | 6.700 |
3 | 4 | 4.750 |
4 | 5 | 4.000 |
5 | 6 | 3.350 |
6 | 7 | 2.800 |
7 | 8 | 2.360 |
8 | 9 | 2.000 |
9 | 10 | 1.700 |
10 | 12 | 1.400 |
11 | 14 | 1.180 |
12 | 16 | 1.000 |
13 | 20 | 0.850 |
14 | 24 | 0.710 |
15 | 28 | 0.600 |
16 | 32 | 0.500 |
17 | 35 | 0.425 |
18 | 40 | 0.428 |
19 | 50 | 0.300 |
20 | 60 | 0.250 |
21 | 70 | 0.212 |
22 | 80 | 0.180 |
23 | 100 | 0.150 |
24 | 120 | 0.125 |
25 | 140 | 0.106 |
26 | 170 | 0.090 |
27 | 200 | 0.075 |
28 | 230 | 0.063 |
29 | 250 | 0.063 |
30 | 270 | 0.053 |
31 | 325 | 0.045 |
32 | 400 | 0.038 |
33 | 500 | 0.031 |
34 | 600 | 0.025 |
35 | 800 | 0.019 |
36 | 1000 | 0.015 |
37 | 1500 | 0.010 |
38 | 3000 | 0.005 |
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