A zamanin yau, a cikin masana'antar kayan aikin itace, haɗin gwiwar samar da injunan kwalliya daPUR zafi narke injin manneya zama ruwan dare gama gari, sannu a hankali ya maye gurbin tsarin haɗin gwiwar sanyi na gargajiya, kuma shi ma babban yanayin buƙatun kare muhalli ne.
Me yasa goyon bayan PUR zafi mai narkewa adhesivemachine shine muhimmin yanayin samar da kariyar muhalli mai sauqi qwarai, saboda na'urar narke mai zafi ta PUR tana amfani da mannen zafi mai zafi na PUR. Babban bangaren PUR zafi mai narkewa an yi shi ne na isocyanate-kare polyurethane prepolymer. Za'a iya daidaita mannewa da taurin (lasticity) na PUR, kuma yana da kyakkyawan ƙarfin haɗin gwiwa, baya ƙunsar benzene, ba shi da wari, yana iya tsayayya da babban zafin jiki, ƙarancin zafi, da lalata da juriya na tsufa, daidai da ka'idodin kariyar muhalli ta duniya. A cikin 'yan shekarun nan, ya zama ɗaya daga cikin nau'i mai mahimmanci a cikin masana'antar m. Ana amfani da shi sosai a fannonin tattalin arziki na ƙasa kamar marufi, sarrafa itace, mota, yadi, injin lantarki, sararin samaniya da sauransu.
Na'urar narke mai zafi na PUR da na'ura mai ɗorewa suna da haɗin kai sosai, kuma injin ɗin PUR hot melt glue wanda aka yi amfani da shi don yin gluing akan layi, spraying, dispensing, da allura, sannan a yi amfani da injin ɗin don shafa, kuma bayan an gama, ana ɗauka da hannu. Za'a iya kammala dukkan tsarin samarwa a cikin ɗan gajeren lokaci, rage farashin aiki da inganta ingantaccen samarwa.