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Polypropylene needle punched felt for liquid filtration
The PP needle punched felt, which used in liquidsolid filtration, selects different specifications of PP fibers and ordinary staple scrim or high strength filament scrim. That grams different from 350g/m2~700g/m2 and thickness different from 1.2mm~4.5mm all can be produced in our company, and can be divided into different widths. The post finished treatment includes singeing, calendaring etc.
Item | Unit | PP01 | PP05 | PP10 | PP25 | PP50 | PP75 | PP100 | PP200 |
Weight | g/m2 | 530 | 450 | 370 | 360 | 380 | 380 | 380 | 350 |
Thickness | mm | 2.5 | 2.6 | 2.2 | 2.3 | 2.3 | 2.5 | 2.7 | 2.8 |
Air Permeability | m3/m2·min | 10 | 20 | 24 | 35 | 50 | 130 | 100 | 200 |
Tensile strength N/5×20cm | Warp | 1000 | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
Weft | 1500 | 1000 | 1000 | 1000 | 600 | 600 | 500 | 500 | |
Tensile elongation(%) | Warp | 50 | 60 | 80 | 85 | 85 | 100 | 100 | 100 |
Weft | 50 | 60 | 80 | 85 | 85 | 80 | 100 | 100 |