Mankhwalawa amapangidwa makamaka ndi polyethylene (PE), polyvinyl chloride (PVC) monga zopangira. kulemera kwake ndi 200 ~ 1500g / m2Ili ndi mawonekedwe a kukana kukalamba, kukhazikika bwino, kukangana kwakukulu, kukana kwa dzimbiri, kukana kwa asidi ndi alkali, nontoxicity, kukana kwamphamvu kwambiri komanso kutentha kwakukulu kwa chilengedwe, ndipo ingagwiritsidwe ntchito mu-50 ~ 100 ℃ Kuphimba zinthu kwa zaka zoposa 50, ndi zomangamanga yabwino ndi zotsatira odalirika.
| Zithunzi za HDPE | LDPE | EVA | Zithunzi za PVC | ||
mtundu wamba | chilengedwe wochezeka | |||||
mphamvu yamphamvu MPa | ≥17 | ≥25 | ≥14 | Longitudinal 15 / yopingasa 13 | ||
elongation pa break% | ≥450 | ≥550 | ≥400 | Longitudinal 220 / yopingasa 200 | ||
Mphamvu yong'amba kumanja ndi N/mm | ≥80 | ≥110 | ≥50 | / | ||
Zomwe zili ndi Carbon Black% | ≥2 | / | ||||
misozi mphamvu MPa | / | ≥40 | ||||
Kusintha kwa kukula (moyima / yopingasa)% | / | ≤5 | ||||
Osmotic coefficient, cm/s | / | ≤10~11 | ||||
Kupsinjika kwa chilengedwe kusweka F20.h | ≥1500 | / | / | |||
Nthawi yolowetsa oxidation inali min pa 200 ℃ | ≥20 | / | / | |||
Mpweya wa madzi permeability coefficient, g.cm/(cm2.s.Pa) | ≤1.0x10-13 | / |
Chogulitsacho chimagwiritsidwa ntchito kwambiri m'malo otayirako zinyalala, malo ochitira zimbudzi, malo opangira madzi otayira ndi ntchito zina zoteteza chilengedwe, malo osungira, ma DAkes, mayendedwe, madamu, machulukidwe osinthira, malo osangalatsa amadzi, misewu, njanji, tunnel, ma eyapoti, migodi, nyumba ndi zina. zoyambira zopanda madzi komanso kupewa kutayikira kwaumisiri wapansi panthaka ndi pansi pamadzi.