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PET Polyester dus bag is used at room temperature denier polyester staple fiber non-woven needling process used by the three-dimensional structure of staggered gap distribution, the surface of hot, singeing or coating treatment, acupuncture to smooth surface non-woven fabrics.
material | pet/pet shor fiber scrim | pet/pet long staple scrim | ||||||||
weight:g/m2 | 450 | 500 | 550 | 600 | 400 | 450 | 500 | 550 | 600 | |
thickness:mm | 1.6 | 1.8 | 2.0 | 2.2 | 1.4 | 1.55 | 1.75 | 1.95 | 2.15 | |
air permeability:L/m2.s | 300 | 250 | 220 | 200 | 350 | 300 | 250 | 216 | 200 | |
breaking strength N/ 5*20cm | warp | >750 | >750 | >800 | >800 | >1000 | >1000 | >1100 | >1100 | >1150 |
weft | >1150 | >1200 | >1300 | >1400 | >1250 | >1300 | >1350 | >1350 | >1400 | |
breaking elongation | warp | <35 | <35 | <35 | <35 | <25 | <25 | <25 | <25 | <25 |
weft | <55 | <55 | <55 | <55 | <45 | <45 | <45 | <45 | <45 | |
continuous working temperature(°C) | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | ≤130 | |
instant working temperature(°C) | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | 150 | |
acid resistance | excellent | excellent | ||||||||
alkali resistance | Good | good | ||||||||
abrasion resistance | excellent | excellent | ||||||||
dydrolytic stability | good | good | ||||||||
finish treatment | singeing,calendering,heat setting,coated | |||||||||
PET Polyester coating nonwoven bag dus bag