ʻO Poyvinyl Chilride (pvc) kekahi o nā mea hana maʻamau i hoʻohanaʻia ma ka honua He keʻokeʻo kūlohelohe a me ka brittle brittle (ma mua o nā hoʻohuiʻana o nā pālolo Ua loaʻa iā PVC kahi lōʻihi ma mua o ka hapa nui o nā plastics i loaʻa mua i ka makahiki 1872 a me nā mea kūʻai aku i hanaʻia e BF Foodrich Company ma nā makahiki 1920. Ma ka hoʻohālikelikeʻana, he nui nā plastic maʻamau e hoʻopili muaʻia a lilo i mea kūʻai aku a lilo i mea kūʻai aku ma mua o nā 1940 a me 1950s. Hoʻohana pinepineʻia ia ma kaʻoihana kūkulu akā ua hoʻohanaʻia nō hoʻi no nā hōʻailona, a me kahi fibersbare no ke aniani.
Ua hanaʻiaʻo PVC iʻelua mau palapala maʻamau, mua ma keʻano he polymer a iʻole a iʻole nā mea i kūʻoleʻia (RPVC a iʻole ka FPVC a iʻole he kekona. ʻO Flexible, plasticleloʻia a iʻole nā mea i hoʻopiliʻia a iʻole he mau mea hou a keu aku paha e like me ka ukuʻana i nā phthalates a iʻole dinp). ʻO ka hoʻopiliʻanaʻo PVC i hoʻohana pinepineʻia ma ke kūkuluʻana i nā huila uila i nā mokulele,ʻo nā maʻi'ē aʻe, a me kekahi mau wahi e like me kahi mea eʻoi aku ana he mālamalama.
Ua hoʻohana pūʻia nō hoʻiʻo Rigid pvc ma ke kūkuluʻana e like me ka pipe no ka hoʻopiliʻana a no ka mea i kapaʻia e ka'ōleloʻoʻAmelika Hui PūʻIa. Ua haʻi pinepineʻiaʻo PVC PLACK e kona papa "papa" ʻO nāʻokoʻa nui ma waena o nā papa e pili ana i nā mea e like me ka paila nui
ʻO kekahi o nā hiʻohiʻona nui o PVC i loaʻa i ke kumukūʻai haʻahaʻa haʻahaʻa,ʻo kona paleʻana i keʻano o ke kaiāulu He ākea loa ia, hoʻohana pinepineʻia a maʻalahi hoʻi i hoʻohanaʻia a me ka maʻalahi (categorized by resin subjectification code "3").
POS manawa: Feb-02-2021
