Rigar ruwan inabi pvc filastik tana nufin hatimin kwalban filastik akan bakin kwalbar. Gabaɗaya, ruwan inabin da aka rufe da maƙarƙashiya za a rufe shi da murfin kwalban filastik a bakin kwalbar bayan an toshe shi. Ayyukan wannan Layer na hatimin kwalabe na filastik shine musamman don Hana kwalabe daga yin gyambo da kiyaye bakin kwalbar da tsabta da tsabta. Dangane da asalin wannan Layer na hular roba, ana iya sanin cewa ya bayyana a cikin shekaru 100 zuwa 200 da suka gabata.
Da farko dai, masu sana'ar giya suna ƙara kofuna a saman kwalbar don hana berayen cikowa a kan kwalabe da kuma hana tsutsotsi irin su ciyawa daga shiga cikin kwalbar. An yi kwalaben kwalbar a lokacin da gubar. Daga baya, mutane suka gane cewa gubar guba ce, kuma lemar da ta rage a bakin kwalbar takan shiga cikin ruwan inabin idan aka zuba shi, wanda hakan zai yi illa ga lafiyar dan Adam. A cikin 1996, Tarayyar Turai da Amurka a lokaci guda sun kafa doka don hana amfani da ledar. Bayan haka, mafi yawa ana yin kwalliyar da tin, aluminum ko polyethylene.
Rufe kwalban filastik fasaha ce ta yanayin zafi, wanda galibi ana aiwatar da shi ta atomatik ta hanyar injina ta dumama fim ɗin filastik da nade bakin kwalbar.
Siffofin:
1. Kwancen roba na pvc yana da raguwa mai kyau, kuma za'a iya ɗaure shi da kyau a kan abin da aka shirya bayan zafi mai zafi, kuma ba shi da sauƙi a fadi.
2. Kwancen roba na pvc ba kawai zai iya hana ruwa mai kyau ba, danshi-hujja da ƙura, amma kuma mafi kyawun kare samfurin a cikin hanyar sadarwa.
3. Ya dace sosai don marufi na injina na giya da sauran samfuran.
4. Tsarin bugawa na pvc rubber cap yana da kyau kuma a bayyane, kuma tasirin gani yana da ƙarfi, wanda ya dace don nuna babban darajar samfurin kuma ya kara inganta darajar samfurin.
5. PVC filastik iyakoki suna yadu amfani a cikin m marufi na daban-daban jan giya da kuma ruwan inabi kwalabe, wanda zai iya mafi alhẽri gane, talla da kuma kyau kayayyakin.
Lokacin aikawa: Maris 14-2024