Bututun rufin da aka binne kai tsaye ana yin kumfa ta hanyar sinadarai na babban aiki polyether polyol kayan hade da polymethyl polyphenyl polyisocyanate azaman albarkatun ƙasa. Ana amfani da bututun rufin thermal da aka binne kai tsaye don rufin zafi da ayyukan sanyi na bututu na cikin gida da waje daban-daban, bututun dumama, bututun kwandishan na tsakiya, sinadarai, magunguna da sauran bututun masana'antu. Bayyani Tun lokacin da aka haifi kayan haɗin gwiwar polyurethane a cikin 1930s, bututun rufin kumfa na polyurethane an haɓaka da sauri a matsayin kayan haɓakar zafi mai kyau, kuma kewayon aikace-aikacensa ya zama mafi girma. Ana amfani da shi sosai a cikin bututu daban-daban kamar dumama, sanyaya, jigilar mai, da jigilar tururi.

Common matsaloli da mafita a cikin gina kai tsaye binne thermal rufi bututu

Wannan al'amari gabaɗaya yana faruwa ne a lokacin kaka da hunturu ko kuma a cikin ginin safiya, saboda yanayin zafi yana raguwa kwatsam ko kuma yanayin zafi ya ragu. Ana iya warware shi ta hanyar ƙara yawan zafin jiki da zafin jiki na kayan baƙar fata. Gabaɗaya, zafin kayan baƙar fata yana ɗagawa zuwa 30-60 ° C, kuma zafin yanayi yana haɓaka zuwa 20-30 ° C.

Wannan al’amari yakan faru ne a lokacin bazara da lokacin rani ko kuma lokacin gini da tsakar rana, saboda yanayin zafi ya tashi ba zato ba tsammani kuma zafin ya yi yawa. Ana iya sanyaya kayan baƙar fata tare da ruwan sanyi ko sanya shi a waje da dare don sanyaya yanayi don guje wa hasken rana kai tsaye.

Ƙarfin kumfa na bututun rufin da aka binne kai tsaye yana da ƙananan kuma kumfa yana da laushi. Wannan al'amari yana faruwa ne sakamakon rashin daidaituwar rabon kayan baki da fari. Ana iya ƙara yawan adadin kayan baƙar fata da kyau (1: 1-1.05). Yi hankali kada ku sanya rabon kayan baƙar fata da yawa, in ba haka ba, zai haifar da kumfa ya zama raguwa, wanda kuma yana rinjayar aikin kumfa.

Bututun rufe fuska da aka binne kai tsaye ya zama fasaha ta ci gaba a wasu ƙasashe da suka ci gaba a ketare. A cikin shekaru goma da suka gabata, injiniyoyin dumama da ma'aikatan fasaha na ƙasata suna haɓaka haɓaka fasahar shimfida bututun cikin gida zuwa matsayi mafi girma ta hanyar narkewa da ɗaukar wannan fasaha mai zurfi. Sakamako masu amfani a cikin shekaru goma da suka gabata sun tabbatar da cewa hanyar shimfida bututun mai da aka binne kai tsaye yana da fa'ida da yawa idan aka kwatanta da ramin gargajiya na gargajiya da shimfida sama. Bututun da aka binne ta kai tsaye yana haɗuwa tare da bututun ƙarfe don isar da matsakaici, babban ɗaki na polyethylene na waje, da madaidaicin rufin kumfa na polyurethane tsakanin bututun ƙarfe da murfin waje. Wannan kuma shine ƙarfin motsa jiki na cikin gida don haɓakar saurin haɓakar insulation na polyurethane kai tsaye da aka binne a cikin injin dumama ƙasata.