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polyester needle felt with PTFE coated, PTFE memrance
Product Detailed
polyester needle felt with PTFE
Item | Unite | INDEX | ||
Breaking strength | warp | N/5·20cm | 1598 | |
weft | 1670 | |||
Breaking Elongation | warp | % | 20.7 | |
weft | 39.2 | |||
Permeability (200Pa) | mm/s | 56 55.6 58 60 51 | ||
Average | 56.1 | |||
thickness | mm | 1.9 | ||
weight | g/m2 | 500 | ||
shrink (130°C 3 hours) | warp | % | 0.8 | |
weft | 0.6 | |||
Test result | ||||
time | 2009-5-30 | |||
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