PVC sealing tube sun zama abin fi so na roba karfe kofa da taga sealing tube saboda ba sa fashe kuma suna da sauƙin walda. Amma kawai shekaru 2-3, matsalar ta bayyana. Rabuwar masu ba da filastik na PVC, matsala mai wahala ta masana'antu ta kasa da kasa, an bayyana a fili a cikin sassan rufewar PVC.
Saboda rarrabuwar filastik, bayanin martaba yana gurɓatar da tsiri na roba, an rage tsawon tsayi, raguwar sashin da aka karye, kuma matsalolin rashin rufewa suna da yawa. Ko da yake, sarrafa kananan bita irin na kasar Sin, da rage tsadar kayayyaki irin na kasar Sin, da gasar farashi mai rahusa ta kasar Sin ta hanyar ƙofa da masu sana'ar rufe filaye ta tagogi, sun haifar da yin amfani da gurɓatattun na'urorin robobi da na PVC da aka sake yin amfani da su, lamarin da ya ta'azzara matsalolin da ke tattare da duk masana'antar da ke kan titi. Ƙarshen shingen rufewar PVC ya fara bayyana.
EPDM EPDM sealing tube A farkon 2000, ƙasar ta ba da odar farar hula don taƙaita amfani da igiyoyin rufewa na polyvinyl chloride PVC, kuma ta inganta amfani da EPDM EPDM sealing tube da MVQ silicone roba sealing tube. EPDM sealing tsiri, babban matakin hatimin tsiri da ake amfani da shi a cikin motoci da jiragen ƙasa, a ƙarshe masana'antar gine-gine ta karɓe ta.
A gaskiya ma, an yi amfani da shi sosai a masana'antar ƙofa da taga bayan 2002. A lokacin, ƙofofi da tagogi a hankali sun shiga zamanin fashe gada aluminum gami. EPDM ya zama iri ɗaya tare da ɗigon hatimi mai daraja saboda fifikon halayensa na zahiri da kyakkyawan juriyar tsufa. A shekarar 2011, abin da ya shafi man kasa da kasa da wasu dalilai, farashin ethylene propylene ya yi tashin gwauron zabi, da lokacin sanyi na EPDM sealing tube ya zo, don haka hikimar kasar Sin ta zo, an fara amfani da robar da aka dawo da shi da yawa, kuma duk kasuwannin tsiri da ke cikin rudani. Kyau mai kyau yana da wuya a zo da shi. Kamfanin kera ƙofofi da tagogi @ 门 Window气气调板厂家Wata yanki a kasar Sin ita ce tushen shingen shinge na cikin gida, kuma kusan kashi 70% na sassan ginin EPDM na kasar Sin sun fito ne daga wannan gundumar. Akwai shugaba a wannan karamar hukuma, kuma kashi 70% na ethylene-propylene sealing tube suna zuwa daga wurinmu.
Silicone roba sealing tsiri ba sosai sabon abu don sealing tube, amma ba haka ba. Silicone roba yana da tarihin shekaru da yawa a kasar Sin. Ƙofa da tagar da ke kera tsiri a haƙiƙa sune abin da aka fi so na roba a cikin ƴan shekarun da suka gabata, kuma suna da laushi sosai. A cikin 'yan shekarun nan, farashin ya ragu a hankali, kuma an yi amfani da su a hankali a kan ginin ginin.
Idan aka kwatanta da ethylene-propylene roba, da amfani da silicone roba for sealing shi ne cewa yana da mafi kyau shrinkage da nakasawa yi fiye da ethylene-propylene roba, don haka sealing yi ya fi kyau, kuma daga ka'idar lokaci-zazzabi daidaici, silicone roba iya jure yanayin zafi har zuwa 300 ° C, kuma shi ne-resistant zuwa ethylene roba. Rubber yana da mafi kyawun 180 ° C. A karkashin irin wannan zafin jiki, rayuwar siliki na roba ya ninka na roba na ethylene propylene sau biyu, kuma rayuwar sabis ya fi tsayi. Kuma yana da kyau kwarai physiological inertia, ba mai guba, m, silicone roba kuma yana da kyau kwarai zafi juriya, sanyi juriya, dielectric Properties, ozone juriya da yanayi tsufa juriya da sauran ayyuka, da fice aiki na silicone roba ne da amfani da fadi da zafin jiki, iya amfani da kofa da taga sealing tsiri manufacturer na dogon lokaci a -60 ° C (ko ƙananan zafin jiki) zuwa +250 ° C. Don haka rubber silicone shine kyakkyawan zaɓi don gina hatimi a cikin zamani na zamani.
Lokacin aikawa: Satumba-01-2023