網孔基本 (mm) nominal aperture sizes (mm) |
金屬絲 |
篩分面積百分率 (%) screening area (%) |
單位面積網重 (kg/m2) wenht of unit area (kg.m2) |
相當英制目數 | ||||
R10 |
R20 |
R40/3 |
黃銅 brass |
錫青銅 phosphor-bronze |
不銹鋼 stainlessstee; | |||
8.00 |
8.00 |
8.00 |
2.00 1.80 1.60 1.40 1.25 |
64 67 69 72 75 |
5.60 4.62 3.74 *2.92 2.36 |
5.70 4.71 3.80 2.97 2.40 |
5.05 4.17 3.37 *2.63 2.13 |
2.54 2.59 2.65 2.70 2.75 |
|
7.10 |
|
1.80 1.60 1.40 1.25 1.12 |
64 67 70 72 75 |
5.09 4.11 *3.23 2.62 2.14 |
5.18 4.19 3.28 2.66 2.18 |
4.59 3.71 *2.91 2.36 1.93 |
2.85 2.92 2.99 3.04 3.09 |
|
|
6.70 |
1.80 1.65 1.40 1.25 1.12 |
62 65 68 71 73 |
5.33 4.31 3.38 *2.75 2.24 |
5.43 4.39 3.44 2.80 2.28 |
4.81 3.89 3.05 *2.48 2.02 |
2.99 3.06 3.14 3.19 3.25 |
6.30 |
6.30 |
|
1.80 1.60 1.40 1.25 1.12 1.00 0.900 |
60 64 76 70 72 74 77 |
5.60 4.67 3.56 *2.89 2.34 1.92 1.57 |
5.70 4.75 3.62 2.94 2.40 1.95 1.60 |
5.05 4.21 3.21 *2.61 2.14 1.73 1.42 |
3.14 3.22 3.30 3.36 3.42 3.48 3.53 |
|
5.60 |
5.60 |
1.60 1.40 1.25 1.12 1.00 0.900 |
60 64 67 69 72 74 |
5.00 3.91 *3.19 2.62 2.12 1.74 |
5.07 3.98 3.25 2.66 2.15 1.77 |
4.49 *3.53 2.88 2.36 1.91 1.57 |
3.53 3.63 3.71 3.78 3.85 3.91 |
5.00 |
5.00 |
|
1.60 1.25 1.12 1.00 0.900 |
57 64 67 69 72 |
5.43 *3.50 2.87 2.33 1.92 |
5.52 3.57 2.92 2.37 1.95 |
4.90 *3.16 2.59 2.10 1.73 |
3.85 |
|
|
4.75 |
1.60 1.25 1.12 1.00 0.900 |
56 63 65 68 71 |
5.64 3.65 2.99 *2.43 2.00 |
5.74 3.71 3.05 2.47 2.04 |
5.09 3.29 2.70 *2.19 1.81 |
4.00 4.23 4.33 4.42 4.50 |
|
4.50 |
|
1.40 1.12 1.00 0.900 0.800 0.710 |
58 64 67 69 72 77 |
4.65 3.13 *2.54 2.10 1.69 1.35 |
4.73 3.18 2.58 2.13 1.71 1.38 |
4.19 2.82 *2.29 1.89 1.52 1.22 |
4.30 4.52 4.62 4.70 4.79 4.88 |
4.00 |
4.00 |
4.00 |
1.40 1.25 1.12 1.00 0.900 0.710 |
55 58 61 64 67 72 |
5.08 4.17 3.43 *2.79 2.32 1.50 |
5.17 4.24 3.49 2.84 2.36 1.52 |
4.58 3.76 3.09 *2.52 2.09 1.35 |
4.70 4.84 4.96 5.08 5.18 5.39 |
|
3.55 |
|
1.25 1.00 0.900 0.800 0.710 0.630 0.560 |
55 61 64 67 69 72 75 |
4.56 3.07 2.55 *2.06 1.66 1.33 1.07 |
4.64 3.13 2.59 2.10 1.68 1.35 1.09 |
4.11 2.77 2.30 *1.86 1.49 1.20 0.963 |
5.29 5.58 5.71 5.84 5.96 6.08 6.18 |
|
|
3.35 |
1.25 0.900 0.800 0.710 0.630 0.560 |
53 62 65 68 71 73 |
4.76 2.66 2.16 *1.74 1.40 1.12 |
4.84 2.71 2.20 1.77 1.42 1.14 |
4.29 2.40 1.95 *1.57 1.26 1.01 |
5.52 5.98 6.12 6.26 6.38 6.50 |
3.15 |
3.15 |
|
1.25 1.12 0.800 0.710 0.630 0.560 0.500 |
51 54 64 67 69 72 74 |
4.97 4.11 2.26 1.83 *1.47 1.19 0.958 |
5.06 4.18 2.30 1.86 1.50 1.21 0.975 |
4.84 3.71 2.04 1.65 *1.33 1.07 0.864 |
5.77 5.95 6.43 6.58 6.72 6.85 6.96 |
2.80 |
2.80 |
1.12 0.800 0.710 0.630 0.560 |
51 60 64 67 69 |
4.48 2.48 *2.00 1.62 1.31 |
4.56 2.53 2.04 1.65 1.33 |
4.04 2.24 *1.81 1.46 1.18 |
6.48 7.06 7.24 7.40 7.56 |
2.50 |
2.50 |
|
1.00 1.710 0.630 0.560 0.500 |
51 |
4.00 2.20 *1.77 1.43 *1.16 |
4.07 2.23 1.18 1.46 *1.18 |
3.61 1.98 1.60 1.29 *1.05 |
7.26 7.91 8.12 8.30 8.47 |
|
|
2.36 |
1.00 0.800 0.630 0.560 0.500 0.450 |
49 59 62 65 68 71 |
*4.17 2.84 *1.86 1.51 1.22 1.01 |
4.24 2.88 *1.90 1.53 1.24 1.03 |
3.76 2.56 1.68 1.36 1.10 0.91 |
7.56 8.04 8.49 8.70 8.88 9.04 |
|
2.24 |
|
0.900 0.630 0.560 0.500 0.450 |
51 61 64 67 69 |
3.62 *1.94 *1.56 1.28 1.05 |
3.67 1.97 *1.59 1.30 1.07 |
3.26 1.75 *1.41 1.15 0.95 |
8.09 8.85 9.07 9.27 9.44 |
2.00 |
2.00 |
2.00 |
0.900 0.630 0.560 0.500 0.450 0.400 |
48 |
*3.91 *2.11 1.72 *1.40 1.15 0.933 |
3.98 2.14 1.75 *1.42 1.17 0.949 |
3.52 *1.90 1.55 *1.26 1.04 0.841 |
8.76 9.66 9.92 10.2 10.4 10.6 |
|
1.8 |
|
0.800 0.560 0.500 0.450 0.400 |
48 58 61 64 67 |
3.45 *1.86 1.52 *1.26 1.02 |
3.51 *1.90 1.55 *1.29 1.04 |
3.11 *1.68 1.37 *1.14 0.918 |
9.77 10.8 11.0 11.3 11.6 |
|
1.70 |
0.800 0.630 0.500 0.450 0.400 |
46 53 60 63 66 |
*3.58 2.38 1.59 *1.32 1.07 |
3.64 2.43 1.61 *1.34 1.09 |
3.23 2.15 1.43 *1.19 0.962 |
10.2 10.9 11.6 11.8 12.1 | |
1.60 |
1.60 |
|
0.800 0.560 0.500 0.450 0.400 |
44 55 58 61 64 |
3.74 2.03 1.66 *1.39 *1.11 |
3.80 2.07 1.69 *1.41 1.13 |
3.37 1.83 1.50 *1.25 1.00 |
10.6 11.8 12.1 12.4 12.7 |
|
1.40 |
1.40 |
0.710 |
44 51 54 57 60 64 |
*3.35 2.24 1.90 1.53 *1.24 *1.00 |
3.40 2.28 1.93 1.56 *1.26 1.02 |
3.02 2.02 1.71 1.38 *1.12 0.906 |
12.0 13.0 13.4 13.7 14.1 14.5 |
1.25 |
1.25 |
|
0.630 0.560 0.500 0.400 0.355 0.315 |
44 48 51 57 61 64 |
2.95 2.43 2.00 *1.35 1.10 *0.890 |
3.00 2.47 2.03 *1.38 1.12 0.903 |
2.66 2.19 1.80 *1.22 0.991 0.800 |
13.5 14.0 14.5 15.4 15.8 16.2 |
|
|
1.18 |
0.630 0.500 0.450 0.400 0.355 0.315 |
42 49 52 56 59 62 |
*3.07 2.08 1.74 *1.42 1.132 0.929 |
3.12 2.12 1.77 *1.44 1.17 |
2.77 1.88 1.57 *1.28 1.04 0.838 |
14.0 |
|
1.12 |
|
0.560 0.450 0.400 0.355 0.315 0.280 |
44 51 54 58 61 64 |
2.62 1.81 *1.46 *1.20 0.970 0.780 |
2.66 1.84 *1.49 *1.22 0.985 0.798 |
2.36 1.63 *1.32 *1.08 0.873 0.707 |
15.1 16.2 16.7 17.2 17.7 18.1 |
1.00 |
1.00 |
1.00 |
0.560 0.500 0.400 0.355 0.315 0.280 0.250 |
41 44 51 54 58 61 64 |
*2.82 2.33 1.60 *1.30 1.06 0.857 *0.70 |
2.86 2.37 1.63 *1.32 1.07 0.872 0.712 |
2.54 2.10 1.44 *1.17 0.952 0.773 0.631 |
16.3 16.9 18.1 18.8 19.3 19.8 20.3 |
|
0.900 |
|
0.500 0.450 0.355 0.315 0.250 0.224 |
41 45 51 55 61 64 |
2.50 *2.10 *1.41 1.14 0.761 0.624 |
2.54 2.14 *1.43 1.16 0.774 0.635 |
2.25 1.89 *1.27 1.03 0.686 0.563 |
18.1 |
|
|
0.850 |
0.500 0.450 0.355 0.315 0.280 0.250 0.224 |
40 43 50 53 57 60 63 |
*3.70 2.18 *1.46 *1.19 0.971 0.795 *0.654 |
3.77 2.22 1.50 *1.21 0.988 0.809 0.666 |
*3.34 1.97 1.32 *1.07 0.876 0.717 0.590 |
18.8 19.5 21.1 21.8 22.5 23.1 23.7 |
0.800 |
0.800 |
|
0.450 |
41 48 51 55 58 64 |
2.26 *1.53 *1.24 1.02 0.833 0.560 |
2.31 *1.56 *1.26 1.03 0.847 0.569 |
2.04 *1.38 *1.12 0.916 0.751 0.505 |
20.3 22.0 22.8 23.5 24.2 25.4 |
|
0.710 |
0.710 |
0.450 0.355 0.315 0.280 0.250 0.200 |
37 44 48 51 55 61 |
*2.44 *1.65 *1.35 *1.11 0.912 0.615 |
2.49 1.68 *1.38 1.13 0.927 0.626 |
2.20 1.49 *1.22 *1.00 0.822 0.555 |
21.9 23.9 24.8 25.7 26.5 27.9 |
0.630 |
0.630 |
|
0.400 0.315 0.280 0.250 0.224 0.200 |
37 44 48 51 54 58 |
2.17 1.47 1.21 *0.998 0.822 *0.674 |
2.21 1.50 1.23 *1.02 0.836 *0.686 |
1.96 1.33 1.08 *0.90 0.741 *0.608 |
24.7 26.9 27.9 28.9 29.7 30.6 |
|
|
0.600 |
0.400 0.315 0.280 0.250 0.200 0.180 |
36 43 46 50 56 59 |
*2.24 1.52 1.25 *1.03 0.70 *0.85 |
2.28 1.55 1.27 *1.05 0.712 *0.591 |
2.02 1.37 1.12 *0.928 0.631 *0.524 |
25.4 27.8 28.9 29.9 31.8 32.6 |
|
0.56 |
|
0.355 0.280 0.250 0.224 0.180 |
37 44 48 51 57 |
1.93 1.31 1.08 *0.900 *0.613 |
1.96 1.33 1.10 *0.912 *0.624 |
1.74 1.18 0.974 *0.808 *0.553 |
27.8 30.2 31.4 32.4 34.3 |
0.500 |
0.500 |
0.500 |
0.315 0.250 0.224 0.200 0.160 |
38 44 48 51 57 |
*1.71 1.16 *0.970 0.800 *0.543 |
1.74 1.18 *0.987 0.813 *0.553 |
1.54 1.05 *0.875 0.721 *0.49 |
31.2 33.9 35.1 36.3 38.5 |
|
0.450 |
0.28 0.250 0.200 0.180 0.160 0.140 |
38 41 48 51 55 58 |
1.51 1.25 0.862 *0.720 *0.588 0.465 |
1.53 1.27 0.877 *0.732 *0.620 0.473 |
1.36 1.13 0.777 *0.649 *0.530 0.419 |
34.8 36.3 39.1 40.3 41.6 43.1 | |
|
|
0.425 |
0.280 0.224 0.200 0.180 0.160 0.140 |
36 |
*1.56 1.08 *0.896 0.750 0.612 0.486 |
1.58 *1.10 *0.912 0.763 0.623 0.494 |
1.40 |
36.0 39.1 40.6 42.0 43.3 45.0 |
0.400 |
0.400 |
|
0.250 0.224 0.200 0.180 0.160 0.140 |
38 41 44 48 51 55 |
1.34 1.12 *0.933 0.782 *0.640 *0.508 |
*1.37 1.14 *0.949 0.795 *0.651 0.517 |
1.21 1.01 *0.841 0.705 *0.577 0.458 |
39.1 40.7 42.3 43.8 45.5 47.0 |
|
0.355 |
0.355 |
0.224 |
38 41 44 51 55 |
*1.21 1.01 *0.847 *0.555 0.456 |
*1.23 1.03 *0.862 *0.564 0.464 |
1.09 0.910 *0.764 *0.500 0.411 |
43.9 45.8 47.5 51.3 52.9 |
0.315 |
0.315 |
|
0.200 0.180 0.160 0.140 0.125 |
37 40 44 48 51 |
1.09 *0.916 0.754 *0.603 *0.500 |
1.11 *0.923 0.767 *0.614 0.505 |
0.980 *0.826 0.680 *0.544 0.488 |
49.3 |
|
|
0.300 |
0.200 0.18 0.160 0.140 0.125 0.112 |
36 39 43 46 50 53 |
*1.12 0.945 0.779 *0.623 *0.515 0.424 |
*1.14 *0.961 0.792 0.634 0.532 0.433 |
1.01 *0.852 0.702 *0.562 *0.464 0.384 |
50.8 52.9 55.7 57.7 59.8 61.7 |
|
0.280 |
|
0.180 0.160 0.140 0.112 |
37 40 44 51 |
0.986 *0.814 *0.653 0.448 |
1.00 *0.828 *0.665 0.456 |
0.889 0.734 *0.589 0.404 |
55.2 57.7 60.5 64.8 |
0.250 |
0.250 |
0.250 |
0.160 0.140 0.125 0.112 0.100 |
37 41 44 48 51 |
*0.874 0.703 *0.583 0.485 0.400 |
*0.889 0.715 *0.593 0.493 0.407 |
0.788 0.634 *0.526 0.437 0.361 |
62.0 65.1 67.7 70.2 72.6 |
|
0.224 |
|
0.160 0.125 0.100 0.090 |
34 41 48 51 |
0.933 |
0.949 *0.637 0.440 *0.368 |
0.841 *0.565 *0.390 0.326 |
66.2 72.8 78.4 80.9 |
|
|
0.212 |
0.140 0.125 0.112 0.100 0.090 |
36 40 43 46 49 |
*0.780 *0.649 0.542 0.448 0.375 |
*0.793 *0.660 0.552 0.456 0.381 |
0.703 *0.585 0.489 0.404 *0.388 |
72.2 75.4 78.4 81.4 84.1 |
0.200 |
0.200 |
|
0.140 0.125 0.112 0.100 0.090 0.080 |
35 38 41 48 51 |
0.807 *0.673 *0.562 0.390 *0.319 |
0.821 *0.685 *0.572 0.397 *0.325 |
0.728 *0.607 *0.507 0.352 0.288 |
74.7 78.2 81.4 87.6 90.7 |
|
0.180 |
0.180 |
0.125 0.112 0.100 0.090 0.080 0.071 |
35 38 41 44 48 51 |
*0.718 0.601 *0.500 0.420 0.345 *0.281 |
*0.730 0.611 *0.509 0.428 0.351 0.285 |
*0.647 0.542 *0.451 0.379 0.311 *0.253 |
83.3 87.0 90.7 94.1 97.7 101 |
0.160 |
0.160 |
|
0.112 0.100 0.090 0.080 0.071 0.063 |
35 38 41 44 48 51 |
*0.645 0.538 *0.454 0.374 0.305 *0.250 |
*0.657 0.547 *0.461 0.380 0.310 *0.254 |
*0.582 0.485 *0.409 0.337 0.275 0.225 |
93.4 97.7 102 106 110 114 |
|
|
0.150 |
0.100 0.090 0.080 0.071 0.063 |
36 39 43 46 50 |
*0.538 0.472 *0.389 0.319 *0.261 |
*0.547 0.481 *0.396 0.325 *0.265 |
*0.485 0.426 *0.315 0.288 *0.235 |
102 106 110 115 119 |
|
0.140 |
|
0.100 0.090 0.071 0.063 0.056 |
34 37 44 48 51 |
0.583 *0.492 *0.335 0.274 0.224 |
0.593 *0.501 *0.341 0.297 0.228 |
0.526 *0.444 *0.302 0.247 0.202 |
106 110 120 125 130 |
0.125 |
0.125 |
0.125 |
0.090 0.080 0.071 0.063 0.056 0.050 |
34 37 41 44 48 51 |
*0.527 0.437 0.360 0.295 *0.243 - |
*0.536 0.445 0.367 0.300 0.247 0.203 |
*0.475 0.394 0.325 0.266 0.219 *0.180 |
118 124 130 135 140 145 |
|
0.112 |
|
0.080 0.071 0.063 0.056 0.050 |
34 38 41 44 48 |
*0.467 0.386 0.373 0.371 - |
*0.475 0.393 *0.379 0.327 *0.220 |
0.420 0.348 *0.536 0.286 *0.195 |
132 |
|
|
0.106 |
0.080 0.071 0.063 0.056 0.050 |
33 36 39 43 46 |
0.481 |
0.490 *0.455 0.334 0.275 *0.228 |
0.434 *0.539 *0.296 0.244 *0.200 |
137 144 150 157 163 |
0.100 |
0.100 |
|
0.080 0.071 0.063 0.056 0.050 |
31 34 38 41 44 |
*0.498 *0.413 0.340 0.282 - |
*0.506 *0.420 0.346 0.287 *0.237 |
*0.449 *0.372 0.307 0.254 *0.210 |
141 149 156 163 169 |
|
0.090 |
0.090 |
0.071 0.063 0.056 0.050 0.045 |
31 35 38 41 44 |
*0.438 *0.363 0.300 - - |
*0.446 *0.369 0.306 *0.254 0.213 |
*0.395 0.327 0.271 *0.225 0.189 |
158 166 174 181 188 |
0.080 |
0.080 |
|
0.063 |
31 35 38 41 44 |
0.388 *0.323 - - - |
0.395 *0.328 *0.274 *0.230 0.190 |
0.350 *0.219 *0.243 *0.204 0.168 |
178 188 195 203 212 |
|
|
0.075 |
0.063 0.056 0.050 0.045 0.040 |
30 33 36 39 43 |
*0.403 0.335 - - - |
*0.410 0.341 *0.284 *0.240 0.200 |
*0.363 0.302 *0.252 *0.213 0.176 |
184 194 203 212 221 |
|
0.071 |
|
0.056 0.050 0.045 0.040 |
31 34 38 41 |
0.346 - - - |
*0.352 0.294 *0.248 0.205 |
*0.312 0.261 *0.220 0.182 |
200 210 219 229 |
0.063 |
0.063 |
0.063 |
0.050 0.045 0.040 0.036 |
31 34 37 41 |
- - - - |
0.351 |
0.279 *0.237 0.196 *0.165 |
225 235 247 257 |
|
0.056 |
|
0.045 0.040 0.036 0.032 |
31 34 37 41 |
- - - - |
0.285 *0.237 0.200 *0.156 |
0.253 *0.210 0.178 *0.147 |
252 265 276 289 |
|
|
0.053 |
0.040 0.036 0.032 |
33 36 39 |
- - - |
*0.245 *0.208 *0.171 |
*0.217 *0.184 *0.152 |
273 285 300 |
0.050 |
0.050 |
|
0.040 0.036 0.032 0.030 |
31 34 37 39 |
- - - |
0.253 *0.214 0.178 *0.160 |
0.224 *0.190 *0.158 0.142 |
282 295 310 318 |
|
0.045 |
0.045 |
0.036 0.032 0.028 |
31 34 38 |
- - - |
*0.228 *0.190 0.153 |
*0.202 *0.168 0.136 |
314 330 348 |
0.040 |
0.040 |
|
0.032 0.030 0.025 |
31 32 38 |
- - - |
0.202 *0.183 0.137 |
0.179 *0.162 0.121 |
353 363 391 |
|
|
0.038 |
0.032 0.030 0.025 |
29 31 36 |
- - - |
*0.209 0.188 *0.141 |
*0.185 0.167 *0.125 |
363 374 403 |
|
0.036 |
|
0.030 0.028 0.022 |
30 31 38 |
- - - |
0.194 *0.175 0.118 |
0.172 *0.155 0.105 |
385 397 438 |
0.032 |
0.032 |
0.032 |
0.028 0.025 0.020 |
28 31 38 |
- - - |
0.186 0.156 *0.110 |
0.165 0.138 *0.097 |
423 446 489 |
|
0.028 |
|
0.025 0.022 0.018 |
28 31 37 |
- - - |
0.168 *0.138 0.10 |
0.149 *0.122 0.089 |
479 508 552 |
|
|
0.026 |
0.025 0.022 0.018 |
26 28 |
- - |
0.175 0.143 |
0.155 0.127 |
498 529 |
|
0.025 |
|
0.025 0.022 |
25 28 |
- - |
0.178 0.147 |
0.158 0.130 |
508 540 |