Menene Bambanci Tsakanin Silicone Rubber Da EPDM?

Lokacin zabar roba don amfani, injiniyoyi da yawa sun ƙare suna buƙatar yin zaɓi tsakanin zaɓin silicone ko EPDM. A fili muna da fifiko ga silicone (!) Amma ta yaya biyun suka dace da juna? Menene EPDM kuma idan kun sami kanku kuna buƙatar zaɓar tsakanin su biyun, ta yaya kuke yanke shawara? Anan ga jagoran mu mai sauri zuwa EPDM…

 

Menene EPDM?

EPDM tana nufin Ethylene Propylene Diene Monomers kuma nau'in roba ce mai girma. Ba shi da juriya da zafi kamar silicone amma yana iya jure yanayin zafi har zuwa 130 ° C. Saboda haka ana amfani da shi azaman sashi a cikin masana'antu iri-iri da suka haɗa da masana'antu, gini da kera motoci. A cikin ƙananan yanayin zafi, EPDM zai kai ga gaggautsa a -40°C.

EPDM kuma sananne ne azaman roba na waje saboda yana da juriya ga yanayin yanayi gami da juriyar acid da alkali. Don haka, yawanci za ku same shi ana amfani da shi don abubuwa kamar tagar taga da kofa ko zanen hana ruwa.

EPDM kuma yana da kyau abrasion, yanke girma da juriya.

 

Me kuma silicone zai iya bayarwa?
Yayin da silicone da EPDM ke raba fasaloli da dama kamar kyakkyawan juriya na muhalli, akwai kuma bambance-bambance masu mahimmanci kuma yana da mahimmanci a gane waɗannan yayin yanke shawarar siyan ku.

Silicone shine cakuda carbon, hydrogen, oxygen da silicone kuma wannan cakuda yana ba da fa'idodi da yawa waɗanda EPDM baya yi. Silicone ya fi jure zafi, yana iya jure yanayin zafi har zuwa 230 ° C yayin da yake kiyaye kaddarorinsa na zahiri. Menene ƙari, shi ma elastomer maras kyau kuma don haka ya shahara a cikin masana'antar abinci da abin sha. A cikin ƙananan zafin jiki silicone kuma ya wuce EPDM kuma ba zai kai ga gaggautsa ba har zuwa -60 ° C.

Silicone kuma ya fi shimfiɗa kuma yana ba da ƙarin elongation fiye da EPDM. Hakanan ana iya ƙirƙira shi don zama mai jure hawaye kamar EPDM. Duk waɗannan bangarorin biyu sun sa ya dace don amfani da su azaman ɓarke ​​​​a cikin injina da ake amfani da su don samar da fale-falen hasken rana da kayan ɗaki, wanda galibi ake kira injin ƙira.

Silicone shine mafi kwanciyar hankali elastomer kuma a sakamakon haka masu siye suna jin cewa silicone ya fi kyau a matsayin mafi amintaccen bayani na dogon lokaci saboda wannan. Ko da yake ana ganin siliki a matsayin mafi tsada daga cikin biyun, tsawon rayuwar EPDM sau da yawa ya fi guntu fiye da na silicone don haka dole ne a maye gurbinsa a aikace akai-akai. Wannan yana haifar da tsadar dogon lokaci fiye da na silicone.

A ƙarshe, yayin da EPDM da silicone za su kumbura idan an sanya su cikin mai na dogon lokaci a yanayin zafi mai zafi, silicone yana da juriya ga mai abinci a dakin da zafin jiki wanda shine dalilin da ya sa ake amfani da shi wajen sarrafa man abinci a matsayin hatimi da gasket don sarrafa injin.

 

Yadda za a zabi tsakanin biyu?
Yayin da wannan ɗan gajeren jagorar kawai ya taƙaita wasu bambance-bambancen da ke tsakanin su biyu hanya mafi kyau don tantance ko wane roba kuke buƙata shine fahimtar manufar amfani da ainihin aikace-aikacen. Gano yadda za ku so ku yi amfani da shi, waɗanne yanayi za a yi amfani da shi da kuma yadda kuke buƙatar yin shi zai ba ku damar samun ƙarin haske game da abin da za a zaɓa.

Hakanan, tabbatar da yin la'akari da fannoni kamar ƙarfi, sassauci da nauyi kayan zasu buƙaci jurewa saboda waɗannan suma na iya zama mahimman abubuwan yanke shawara. Lokacin da kuke da wannan bayanin cikakken jagorarmu zuwa Silicone Rubber vs EPDM na iya ba ku cikakkun bayanan da kuke buƙata don yanke shawarar ku ta ƙarshe.

Idan kuna son tattauna bukatun aikin ku tare da ɗayan ƙungiyarmu to akwai wani koyaushe. Kawai tuntube mu.