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Polypropylene
The given fabrics are most widely used for filtering in the chemical industry.
| NO. | Name | Surface density g/m2 | Thick-ness, mm | Air permeability , dm3/m2sec | Operating temperature,
| Tensile strength:
- in warp
- in weft, daN |
| 1. | -/2 | 280+-15 | 0,8 | 230 | 90 | 400; 280 |
| 2. | -/500* | 500 | 2,2 | 200 | 90 | 192; 156 |
| 3. | -/554* | 550 | 2,4 | 120 | 90 | 151; 193 |
- the given filtering fabric can have the following chemical treatments:
- treatment reinforcing the cleaning capacity of the material;
- oil and water resistance treatment;
- surface coating of Teflon;
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