PVC Sately Strips sun zama fi so na filastik na karfe da taga rufe tudun saboda ba su fasa kuma suna da sauƙin wallel. Amma shekaru 2-3 ne kawai, matsalar ta bayyana. Rabu na filastik PVC, matsalar masana'antu mai wahala a kasa da kasa, a bayyane yake a cikin tube na PVC.
Saboda rabuwa da filastik na filastik, bayanin martaba ya ƙazantar da tsiri na roba, tsayin tsawan ya zama taqaitaccen, da kuma matsalar karye da yawa. Koyaya, kananan ma'aikatan makarantar Sinawa, rage farashin Sin, da kuma farashin farashi na Sinawa da taga PVC, wanda ya haɓaka matsalolin da ke rufe masana'antu gaba ɗaya. Ofarshen sawun PVC ya fara bayyana.
EPDM EPDM Sepips a farkon shekarar 2000, Kasar da kasar ta bayar da umarnin a hana amfani da polyvinyl chloride PVC hatimi da MVDM Silicone Roba Trips. EPDM Saka suttura, wani tsararren tsinkaye da aka yi amfani da shi a cikin motoci da kuma jiragen kasa, a ƙarshe masana'antar gine-gine.
A zahiri, an yi amfani da shi sosai a ƙofar da kuma masana'antun taga bayan 2002. A wannan lokacin, kofofin da windows aluminum na karye. EPDM ya zama synonymous tare da babban-sa secking trips saboda mafi kyawun kayan jikinsa da juriya na tsufa. A shekara ta 2011, da sauran dalilai da sauran dalilai, da farashin Ethylene ya yi amfani da su, don haka hunturu ya fara amfani da kayayyaki mai yawa, kuma duk kasuwar da ke cikin ƙamshi ke nan. Kyawawan kaya suna da wuya a zo. Door da taga rufe sutturar masana'anta. Akwai wani shugaba a cikin wannan gundumar, da kashi 70% na EthyleLene na ƙasar ta Ethylene sun fito ne daga gare mu.
Silicone na silicone na siliki ba shi da yawa sabon abu don suttura na hatimi, amma ba haka bane. Yaro silicone yana da tarihin shekarun da suka gabata a China. Door da taga rufe masana'antun masana'antun hakika masu son roba a cikin shekarun da suka gabata, kuma suna da laushi sosai. A cikin 'yan shekarun nan, an yanke shi a hankali ya ragu, kuma an sannu a hankali an yi amfani dasu don gina hatimi.
Idan aka kwatanta da roba na Ethylene, fa'idar silicone-propylene, kuma daga mizanin lokaci-lokaci-propyleene roba har zuwa 300 ° C, kuma yana da tsayayya wa ethylene roba roba. Roba ya fi kyau 180 ° C. A karkashin iri ɗaya da iri ɗaya, rayuwar silicone silicone ya ninka sau biyu na ethylene propyleene roba, kuma rayuwar sabis tana nan. Kuma yana da kyakkyawan inertia ta zahiri, ba mai guba ba, mai silicone, ƙirar silicone, tsayayya da kofa, ko kuma ƙananan aikin silicone na zamani a -60 ° C (ko ƙananan zazzabi) zuwa + 250 ° C (ko sama da haka zazzabi). Don haka silicone roba zabi ne na dacewa don gina hatimi a cikin zamanin zamani.
Lokacin Post: Satumba 01-2023