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In a Twill Dutch (Hollander) Double Weave the weft wires are driven up so tightly that there is always a shute wire above and below the warp wires, creating a weave with the warp wires completely covered. The flow-pass geometry is extremely tortuous, allowing reasonable flow rates while insuring excellent particle size retention.
Nominal Filter Mesh Count |
Wire Diameter Inches | Absolute Particle Retention |
Nominal Particle Retention |
| warp / weft | warp / weft | Microns | Microns |
510 x 3600 |
.0010 / .0006 | 4 - 5 |
< 1 |
400 x 2800 |
5 - 6 |
< 1 |
|
| 450 x 2750 | .0010 / .0008 | 6 - 7 | < 1 |
375 x 2300 |
6 - 7 |
1 |
|
325 x 2300 |
.0015 / .0010 | 8 - 9 |
2 |
260 x 1550 |
8 - 10 |
3 |
|
250 x 1400 |
.0022 / .0016 | 11 - 12 |
4 |
200 x 1400 |
.0028 / .0016 | 11 - 13 |
5 |
130 x 700 |
13 - 15 |
8 |
|
200 x 1120 |
15 - 17 |
9 |
|
165 x 1400 |
.0028 / .0016 | 16 - 18 |
10 |
165 x 1100 |
20 - 21 |
12 |
|
| 165 x 800 | .0028 / .0020 | 24 - 26 | 15 |
| 200 x 600 | .0024 / .0018 | 28 - 32 | 20 |
80 x 700 |
.0040 / .0030 | 34 - 36 |
25 |
| 120 x 600 | .0040 / .0025 | 40 -45 | 30 |
40 x 560 |
.0070 / .0040 | 71 - 80 |
50 |
30 x 360 |
.0098 / .0060 | 95 - 106 |
80 |
| 28 x 500 | 106 - 112 | 85 | |
30 x 250 |
100 - 112 |
90 |
|
| 24 x 300 | 112 - 118 | 90 | |
20 x 260 |
110 - 120 |
100 |
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20 x 250 |
.0098 / .0079 | 110 - 120 |
100 |
To view the standard Plain Hollander Weave specification table, click here.
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Send mail to : service@screentg.com with hollander weave filter cloth questions. |
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Copyright © 1999, 2000 Screen Technology Group, Inc. |
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| Last modified: June 28, 2002 | |||
