He mea nui te mahi a ngā whakakorikori polyurethane (PU) i roto i te hanganga me te mahi a te pahuka rehu, he rauemi whakamahana maha, he whai hua hoki. He rāngai tere tipu te whakamahana pahuka rehu i roto i ngā ahumahi hanga me te whakapaipai whare, nā ōna āhuatanga whakamahana pai me te ngāwari o te tono.
Ko te whakamahana pahuka rehu e whakamahia ana i roto i ngā whare noho, arumoni, me ngā whare ahumahi hei whakarei ake i te whai huatanga o te pūngao. E rua ngā momo matua: te pahuka pūtau-tuwhera me te pahuka pūtau-kati. He mama ake te pahuka rehu pūtau-tuwhera, he iti ake te matotoru, ā, he ngāwari ake, he pai mō ngā tono o roto pērā i ngā pakitara me ngā tuanui, ā, he ārai hau me te ārai haruru whai hua. Ko te pahuka rehu pūtau-kati, i tētahi atu taha, he matotoru ake, he pakari ake, e whakarato ana i te uara-R teitei ake mō ia inihi, e pai ai mō ngā tono o waho, ngā tuanui, me ngā wāhi e pāngia ana e te makuku me ngā huringa pāmahana tino nui.
He mea tino nui te whakamahinga o ngā whakakorikori polyurethane i roto i te hanga pahuka rehu. Ka whakahaere ēnei whakakorikori i te tauhohenga i waenga i ngā wāhanga isocyanate me te polyol, ka whakahaere i te whānui o te pahuka, te wā whakamaroke, me ngā āhuatanga ā-tinana whakamutunga. Mā tēnei tino tika ka piri pai te pahuka, ka whānui ōrite, ā, ka hanga he ārai ārai pakari.
Ko tētahi o ngā painga matua o te whakamahana pahuka rehu i runga i ngā rauemi whakamahana tuku iho pērā i te muka karāhe, te cellulose rānei, ko tōna kaha ki te hanga hiri ā-hau. Ka whakaitihia e tēnei āhuatanga te turuturu o te hau, he raruraru noa i roto i te whakamahana tuku iho ka piki ake te utu pūngao me te whakaiti i te whakamarie. Mā te hiri i ngā āputa me ngā kapiti, ka whakaitihia e te whakamahana pahuka rehu te urunga mai o te hau o waho me te putanga mai o te hau whakamahana o roto, ā, ka whakapai ake i te whai huatanga o te pūngao o te whare.
Heoi anō, he tino pai te whakamahana pahuka rehu i ngā wāhi kāore e pai ana ngā rauemi whakamahana tuku iho. Hei tauira, he tino pai te ātete ki te wera, me te uara-R e nui ake ana i te uara-R o te muka karāhe, te cellulose rānei. Mā te uara-R teitei ake mō ia inihi ka taea te hanga paparanga angiangi o te whakamahana me te whakatutuki i te mahi whakamahana ōrite, pai ake rānei, he mea tino pai i ngā wāhi he iti te wāhi.
Hei tāpiritanga, he pai ake te ātete o te pahuka rehu ki te makuku, ka ārai i te tipu o te harore me te koriri, he raruraru noa tēnei me ētahi atu momo whakamarumaru. Ehara i te mea ka whakarei ake tēnei kounga i te kounga o te hau o roto, engari ka roa ake te roa o te hanganga o te whare mā te tiaki i a ia mai i ngā kino e pā ana ki te makuku.
Hei whakamutunga, he mea nui ngā whakakorikori polyurethane mō te hanga i te whakamahana pahuka rehu mahi-teitei. He maha ngā painga o te whakamahana pahuka rehu i ngā rauemi whakamahana tuku iho, tae atu ki te ātete wera pai rawa atu, te kaha ki te hiri hau, me te ātete makuku. Nā ēnei painga ka waiho te whakamahana pahuka rehu hei whiringa whai hua mō ngā kaupapa hanga hou me te whakahou, e whakatairanga ana i te whai huatanga o te pūngao, te pakari, me te mahi whare whānui.
Wā tuku: Pipiri-20-2024