The "aluminum foil mai rufi nano rufi jirgin" (kuma akafi sani da nano microporous rufi board, vacuum Nano insulation board, ko composite reflective insulation board) a cikin masana'antu bututun rufi kayan wani babban aiki sabon rufi kayan da ya haɗu da nanotechnology da kuma nuna rufi ka'idojin. Aluminum foil mai rufi na nano rufi jirgin, tare da halaye na "ba bakin ciki, haske, high zafin jiki juriya, da kuma musamman low thermal watsin", a halin yanzu mai matukar inganci da makamashi-ceton bayani a fagen high-zazzabi rufi ga masana'antu bututun.

Ramin rufin hydrophobic dutsen ulun katakon ramin ramin kaucewa jagora, tabbatar da guje wa ramuka! Ramin aikin da aka yi shekaru dari da suka wuce, kuma da zarar an samu matsala da katakon ulun dutse, maye gurbinsa ya fi sanya shi tsada fiye da sau goma. Don haka a lokacin karɓa, ba wai kawai auna kauri da lebur ba, har ma da ƙarfin haɗin gwiwa ya kamata a gudanar da gwajin cirewa. A cikin yanayi na musamman na tunnels tare da zafi mai zafi, babban bambancin zafin jiki, da kuma ƙaƙƙarfan buƙatun rigakafin wuta, zaɓin dutsen ulu na hydrophobic yana da alaƙa kai tsaye da inganci da amincin aikin.

Oil masana'antu rufi abu waya raga rock ulu yi ji? A cikin masana'antar man fetur, kayan aiki irin su matatun mai, tankunan ajiyar man fetur, da bututun zafi suna fuskantar yanayin zafi mai zafi, girgizawa, da kuma lalata muhalli na dogon lokaci, suna buƙatar ƙarfin gaske, juriya na zafin jiki, da juriya na kayan rufewa. Waya ragar dutsen ulun ulu samfurin ƙwararren samfur ne wanda aka ƙera don waɗannan matsananciyar yanayin aiki. Ana ƙarfafa shi ta hanyar ɗinki ragar wayoyi masu galvanized ko bakin karfe waya raga a saman dutsen ulun da aka ji, yana samar da fa'ida biyu ta "ƙananan zafin jiki+haɓaka tsarin".