Matumba a PEVA amaonedwa kuti ndi abwino kuposa matumba a zovala za PVC pazifukwa zingapo. PEVA (polyethylene vinyl acetate) ndi njira yosagwiritsa ntchito klorini, yopanda poizoni, komanso yochezeka ndi chilengedwe m'malo mwa PVC (polyvinyl chloride). Nazi zina mwazifukwa zomwe matumba a zovala za PEVA amakondedwa kuposa a PVC:
Kusamalira chilengedwe: PEVA ndi njira yabwino kwambiri yosamalira zachilengedwe kuposa PVC. Ndiwopanda mankhwala owopsa monga chlorine ndi phthalates, ndipo ndi biodegradable.
Kukhalitsa: PEVA ndi yolimba kuposa PVC. Imalephera kung'ambika, ndipo imatha kupirira kutentha kwambiri.
Kusinthasintha: PEVA imasinthasintha kuposa PVC, zomwe zimapangitsa kuti zikhale zosavuta kusunga ndi kunyamula.
Kukaniza madzi: PEVA imalimbana ndi madzi, ndikupangitsa kuti ikhale yabwino kuteteza zovala kuti zisawonongeke ndi madzi.
Opepuka: PEVA ndi yopepuka kulemera kuposa PVC, zomwe zimapangitsa kuti zikhale zosavuta kunyamula ndi kunyamula.
Palibe fungo: Matumba ovala a PVC nthawi zambiri amakhala ndi fungo lamphamvu, losasangalatsa, pomwe matumba a PEVA alibe fungo.
Ponseponse, ngati mukuyang'ana chikwama cha zovala chomwe chili chokomera zachilengedwe, chokhazikika, chosinthika, komanso chosagwira madzi, ndiye kuti thumba la PEVA la zovala ndilabwino kuposa la PVC.
Nthawi yotumiza: Aug-04-2023