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.Sai dai kuma, 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 ƙofofi da masu sana'ar rufe filaye ta tagogi, sun haifar da yin amfani da na'urori masu lahani na robobi da kuma sake yin amfani da su na PVC, lamarin da ya ta'azzara matsalolin da suka shafi gaba ɗaya. sealing tsiri masana'antu.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 shekara ta 2011, abin da ya shafi mai na kasa da kasa da wasu dalilai, farashin ethylene propylene ya yi tashin gwauron zabi, kuma 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 kasuwar siyar da sitiriyo ta kasance a ciki. hargitsi.Kyau mai kyau yana da wuya a zo da shi.Maƙeran ƙofofi da taga taga @ 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 EPDM na ginin ginin EPDM na kasar Sin sun fito ne daga wannan gundumar.Akwai shugaba da ke sana'a iri ɗaya a wannan gundumar, 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 roba ethylene-propylene, da amfani da silicone roba ga 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 daidai, silicone roba iya jurewa. yanayin zafi har zuwa 300 ° C, kuma yana da juriya ga roba ethylene-propylene.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, lemar sararin samaniya 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 (ko mafi girma zazzabi).Don haka rubber silicone shine kyakkyawan zaɓi don gina hatimi a cikin zamani na zamani.
Lokacin aikawa: Satumba-01-2023