Kua rongonui ngā hiri polyurethane i waenga i ngā kaipupuri waka e hiahia ana ki te tiaki i ā rātou waka mai i ngā huarere me te pupuri i te āhua kanapa. He maha ngā painga me ngā huakore o tēnei hiri maha-whakamahinga, he mea nui kia whakaarohia i mua i te whakatau mēnā he tika mō tō waka.
Ko te SV312 PU Sealant he hua polyurethane kotahi-wāhanga i hangaia e Siway Building Material Co.,LTD.
Ka tauhohe ki te makuku o te rangi hei hanga i tētahi momo elastomer he kaha teitei, he tawhito, he wiri, he iti te ātete ki te waikura. I whakamahia whānuitia te hiri PU hei hono i te karāhe o mua, o muri me te taha o ngā motuka, ā, ka taea hoki te pupuri i te taurite i waenga i te karāhe me te peita i raro. I te nuinga o te wā me whakamahi tātou i ngā pū hiri hei pēhi i waho ina hangaia kia rite ki te rārangi, ki te poroporo rānei.
Ko tētahi o ngā painga matua o te hiri polyurethane ko tōna pakari. Ka hangaia e tēnei momo hiri he paparanga tiaki kaha ki runga i te peita o tō waka, hei āwhina i te tiaki i tō waka mai i ngā karawarawa, ngā hihi UV, me ngā poke taiao. Ka āwhina tēnei ki te pupuri i te āhua o te waka me te tiaki i tōna uara hoko anō i roto i te wā. Hei tāpiri, e mōhiotia ana ngā hiri polyurethane mō tō rātou mahi roa, e whakarato ana i tētahi ārai tiaki e taea ai te tu atu i ngā uauatanga o te taraiwa o ia rā me te pānga ki ngā huarere.
Ko tētahi atu painga o te hiri polyurethane ko tōna ātete ki te wai. Ka hangaia e tēnei hiri he mata wai-kore e pupuhi ana te wai, ka takai atu i te peita o te motuka. Ehara i te mea ka āwhina tēnei ki te pupuri i te kanapa o tō motuka, engari he māmā ake hoki te horoi me te tiaki. Hei tāpiri, ka taea e ngā hiri polyurethane te whakarato i tētahi taumata tiaki mai i ngā paru matū me ngā paru manu, kia māmā ake ai te pupuri i te āhua pai o tō motuka.
I tētahi atu taha, kei reira ētahi ngoikoretanga hei whakaaroaro māu ina whakamahia ana ngā hiri polyurethane. Ko tētahi o ngā ngoikoretanga matua ko te roa o te wā whakamaroke: Ki te whakaritea ki ētahi atu hiri pēnei i te silicone, he roa ake te wā e hiahiatia ana mō ngā hiri polyurethane kia whakamaroke katoa, ka roa ai te otinga o te kaupapa.
Ko tētahi atu ngoikoretanga pea o te hiri polyurethane ko tōna utu. Ahakoa he tino pakari me te tiaki tēnei momo hiri, he nui ake te utu i ērā atu kōwhiringa kei te mākete. Heoi, he maha ngā kaipupuri waka e whakaaro ana he haumitanga pai tēnei hei pupuri i te āhua me te uara o tā rātou waka mō te wā roa.
Hei whakarāpopototanga, he maha ngā painga me ngā ngoikoretanga o ngā hiri polyurethane ki ngā kaipupuri waka e hiahia ana ki te tiaki i te peita o ā rātou waka. Nā tōna pakari, tōna ātete ki te wai, me tōna roa o te mahi, he mea rongonui tēnei mō te hunga e rapu ana i tētahi taumata tiaki teitei. Heoi, ko te tukanga tono nui me ngā utu teitei he ngoikoretanga pea mō ētahi. Hei whakamutunga, ko te whakatau ki te whakamahi i tētahi hiri polyurethane mō tō waka me ahu mai i ō hiahia me ō kaupapa matua mō te pupuri i te āhua me te uara o tō waka.
Wā tuku: 21 o Ākuhata-2024