Wurin zama na malam buɗe idowani ɓangare ne mai cirewa a cikin bawul ɗin, babban aikin shine tallafawa farantin bawul ɗin a buɗe ko a rufe shi gaba ɗaya, kuma ya zama madaurin rufewa. Yawanci, diamita na wurin zama shine girman madaurin bawul ɗin. Kayan wurin zama na bawul ɗin malam buɗe ido yana da faɗi sosai, kayan da aka fi amfani da su sune madaurin rufewa mai laushi EPDM, NBR, PTFE, da kayan haɗin ƙarfe mai tauri. Na gaba za mu gabatar da ɗaya bayan ɗaya.
1.EPDM- Idan aka kwatanta da sauran robar da ake amfani da ita a aikace, robar EPDM tana da fa'idodi masu yawa, galibi tana nuna hakan a cikin:
A. Yana da matuƙar araha, a cikin ayaba da aka saba amfani da ita, hatimin roba na EPDM shine mafi sauƙi, za ku iya yin cikawa da yawa, wanda ke rage farashin roba.
B. Juriyar tsufa na kayan EPDM, juriya ga hasken rana, juriya ga zafi, juriya ga tururin ruwa, juriya ga radiation, ya dace da raunin acid da alkali, kyawawan kaddarorin kariya.
C. Matsakaicin zafin jiki, mafi ƙanƙanta zai iya zama -40 ° C - 60 ° C, zai iya zama yanayin zafin jiki na 130 ° C don amfani na dogon lokaci.
2.NBR-mai jure wa mai, mai jure wa zafi, mai jure wa lalacewa kuma a lokaci guda yana da kyakkyawan juriyar ruwa, rufe iska da kuma kyawawan halayen haɗin kai. Ƙarin aikace-aikace a cikin bututun mai, rashin amfani shine ba ya jure wa ƙananan yanayin zafi, juriyar ozone, rashin kyawun kariya, da kuma sassauci gabaɗaya.
3. PTFE: filastik mai fluorine, wannan kayan yana da juriya mai ƙarfi ga acid da alkali, yana da ayyuka daban-daban na sinadarai na halitta, yayin da kayan yana da juriya mai zafi, ana iya amfani da shi akai-akai a 260 ℃, mafi girman zafin jiki zai iya kaiwa 290-320 ℃, PTFE ya bayyana, ya sami nasarar magance masana'antar sinadarai, man fetur, magunguna da sauran masana'antu a fannin matsaloli da yawa.
4. Hatimin ƙarfe mai tauri (carbide): Kayan wurin zama na bawul ɗin hatimin ƙarfe mai tauri yana da juriya sosai ga zafin jiki mai yawa da matsin lamba mai yawa, juriya ga tsatsa, halayen juriya na lalacewa, yana da kyau sosai don rama lahani na kayan hatimin laushi ba ya jure wa zafin jiki mai yawa da matsin lamba mai yawa, amma kayan hatimin tauri akan buƙatun sarrafawa na tsari yana da yawa sosai, rashin amfanin aikin hatimin hatimin ƙarfe mai tauri ba shi da kyau, zai kasance cikin dogon lokaci bayan aikin aikin zubewa.