Kua noho ngā hiri polyurethane (PU) hei rauemi tino nui i roto i ngā mahi hanga hou nā te mea he tino ngāwari, he kaha miihini, he ātete hoki ki te taiao mō te wā roa. Ina whakamahia tika, ka roa ake te ora o ngā whare, ngā hanganga, ngā tinana waka, ngā taputapu ahumahi, me ngā pūnaha papa, ngā hiri polyurethane. E whakamārama ana tēnei tuhinga me pēhea te whakarei ake a ngā hiri polyurethane i te pakari o te hanganga—e tautokona ana e ngā tohutoro ngaio, ngā māramatanga hangarau mahi, me ngā hononga ā-roto.
1. Ko te Kaha Piri Pai rawa atu ka Whakapai ake i te Roa o te Wāhanga
Ko tētahi o ngā tino take e whai wāhi ai ngā hiri PU ki te roa o te wā ko tō rātou piri pai ki te whānuitanga o ngā papa:
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--Konumohe
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--Konumohe me ngā konganuku pania
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--PVC me ētahi atu kirihou
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--Kohatu, māpere, me te karāneti
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--Rākau me ngā rauemi hiato
He rerekē ki ngā hiri silicone, he tohunga ki te ārai i te huarere engari he maha ngā wā ka raru ki te piri hanganga, ka hangaia e te polyurethane hehononga miihini kaha ake, he mea tino pai mō:
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--Te hononga hanganga
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--Ngā hononga whakawhanui
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--Papa taumaha
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--Huihuinga ahumahi
*Ako atu mō ngā hiri polyurethane a Siway:
2. Te Āhuatanga Tino Pai mō ngā Hononga Nekeneke-Teitei
Ko ngā hiri PU te tikanga e tuku ana±25% ki te ±50% te kaha nekehanga, e āhei ai rātou ki te mimiti:
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--Te whare nohoanga
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--Te whakawhānui wera
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--Ngā wiri ā-mīhini
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--Ngā ope waka taumaha
Ka ārai tēnei ngāwari i tepakaru hononga, wehenga papa, mete urunga wai, koinei ngā tino take o te rahunga hanganga wawe.
Tohutoro mana:
ASTM C920 Whakatakotoranga Paerewa mō ngā Hiri Hononga Elastomeric (e whakamahia whānuitia ana mō te whakamātautau PU)
3. Kaha Ā-Mīhini Teitei mō ngā Taiao Taumaha
Ko ngā hiri polyurethane e whakaatu ana i ēnei mea:
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--Te kaha kume teitei
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--He ātete kaha ki te haehae
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--He ātete pai rawa atu ki te pakū
Nā tēnei ka tino pai rātou mō:
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--Ngā whare waka
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--Ngā papa ahumahi
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--Te hanga whakarewa
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--Huihuinga tinana waka
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--Te hanga tereina me te kawe waka
Ki te whakataurite ki te silicone, he iti ake te PUhe tino ātete ki te pakū ā-tinana, kia pai ake ai mō ngā taiao e pāngia ana e te ahotea ā-mīhini.
4. Ko te Ātete Matū Pai rawa atu e Tiaki ana i te Pūmautanga Hanganga
Ahakoa te pānga ki:
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--Ngā hinu
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--Ngā wahie
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--Ngā matū ahumahi
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--Ngā kaihoko horoi
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--Makuku me te haumākū
Ka ārai tēnei i te pirau matū o ngā mata raima, whakarewa rānei.
Tohutoro:
Kei roto i ngā tuhinga Aromatawai Hangarau Pākehā (ETA) te mahi a te PU i roto i ngā taiao matū.
5. Ka ārai te hiri wai, hau, me te kohu i te kino hanganga mō te wā roa
Ko te urunga makuku tētahi o ngā wāhi pakaru tino noa o te hanganga. Ka hangaia he hiri PU e ngāārai makuku pumau, pumau, te tiaki i ngā hanganga mai i:
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--Te whakapūngao konukōre
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--Te waikura maitai
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--Te hanganga o te pokepokea ai
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--Te kino o te huka-rewa
Mō te tuanui, te huihuinga pakitara ārai, me te hanganga wāhi makuku, ka whakaratohia e ngā hiri polyurethane he painga pakari nui.
Hua e pā ana:
https://www.siwaysealants.com/polyurethane-waterproof-coating/
6. Te Kaha o te Manawanui ki ngā Tino Pāmahana
Ka noho pumau tonu ngā hiri polyurethane mai i–40°C ki te +90°C, kia pai ai mō:
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--Ngā whare putunga makariri
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--Ngā hononga hanga o waho
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--Mīhini ahumahi
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--Hiri waka
Ki te whakatauritea ki ngā hiri kirihou, ki ngā hiri pūmārō MS rānei, he nui ake ngā painga o te PUte pupuri i te ngāwari nui ake i ngā pāmahana iti, te whakaiti i te ngatata me te pakaru.
7. Ātete ki te Huarere mō te Wā Roa
Ko ngā hanganga PU hou—pērā i ērā i hangaia e Siway—koia ēnei:
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--Ngā whakaū UV
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--Ngā tāpiringa ārai-kōwhai
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--Hangarau whakaora makuku
Mā ēnei whakarei ake ka āwhina i ngā hiri PU kia mau tonu te ngāwari me te piripono mō ngā tekau tau o te pānga ki te taiao.
Tohutoro:
ISO 11600: Ngā Hiri Hiri Hanga Whare — Te Whakarōpūtanga me ngā Whakaritenga
8. Te Whakapai Ake i te Tohatoha Utaina Hanganga
Ina whakamahia hei piripiri, he kaha teitei te kume me te kaha kutikuti o te polyurethane.ka tohatoha ōrite ake ngā kaha, te whakaiti i ngā kukū ahotea.
Kei roto i ngā tono:
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--Te herenga o te panera pakitara ārai
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--Whakapakaritanga kōhatu me te tāera
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--Huihuinga rakau me te whakakotahitanga
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--Whakapuru mīhini ahumahi
Ka whakaitihia te mōrearea o te motu, te ngatata, te neke rānei.
Tirohia te awhe whakapiri PU a Siway:
9. He aha i pai ake ai ngā hiri PU i ētahi atu momo hiri
| Momo Hiri | Ngā ngoikoretanga | Ngā Painga PU |
| Kiriaku | Kāore i te ngāwari, ka tere te pakaru, ka iti te pakari | He ngāwari tonu te PU mō ngā tekau tau |
| Hiraka | He tino pai te ātete ki te huarere engari he iti te kaha ā-mīhini me te ngāwari ki te peita | Ka whakataurite te PU i te kaha me te ngāwari, ā, ka taea te peita |
| Patumene | He iti te roa o te ora, he iti te ātete ki te hihi UV | Ka mahi pai a PU i roto i ngā āhuatanga tino kino o waho |
| MS Polymer | He mahi teitei engari he utu nui ake | He rite te kaha o te PU, he pai ake te utu |
10. He aha i tino pakari ai ngā hiri polyurethane a Siway
Kua hangaia e Siway ngā hiri polyurethane mō ngā taiao ahumahi me ngā taiao hangahanga uaua. Ki te whakatauritea ki ngā waitohu whakataetae, ka tukuna e ngā hiri PU Siway:
✔ Te kaha nekehanga teitei ake (tae atu ki te ±50%)
✔ He piri kaha ake ki te raima, te konganuku, me te kōhatu
✔ He mahi whakapakari ake mō te ārai i te koroheketanga me te ārai i te kōwhai
✔ Te ātete matū me te ātete pakū teitei ake
✔ Ngā whakatakotoranga e hāngai ana ki te ISO, ASTM, me te CE
✔ Ngā otinga kua whakaritea mō ngā hoa mahi ahumahi
✔ Te whakaputa aunoa mō te kounga pumau
✔ He nui te kaha o te wheketere hei tautoko i ngā kaupapa nunui
E mahi ana mātou ki ngā ahumahi tae atu ki te hanga, te motuka, te rerewē, te hikohiko, me te ārai wai.
Tirohia te whānuitanga polyurethane katoa a Siway:
Ngā Pātai Auau
1. He pai ngā hiri polyurethane mō te roa o te mau?
Āe. Ka roa te ngāwari o ngā hiri PU, ka kaha te piri, ka ātete ki te huarere, ka kaha hoki te miihini, ā, he mea tino pai mō ngā kaupapa hanga pakari.
2. Ka taea e ngā hiri polyurethane te tu atu i ngā pāmahana tino kino?
He pai te mahi a te nuinga o ngā hiri PU i waenga i–40°C me te +90°C, he mea e pai ai mō ngā rohe makariri me ngā taiao wera nui.
3. Kei hea te nuinga o te wā e whakamahia ai ngā hiri polyurethane?
Ngā hononga hanga, ngā mata o mua, ngā papa, ngā tuanui, te whakatika raima, ngā pūnaha ārai wai, te huihuinga ahumahi, ngā tono motuka, me te here whakarewa.
4. He pai ake ngā hiri polyurethane i te silicone?
He pai ake te PUte kaha ā-pūkaha, te piri ki te raima, me te āheinga ki te peita, he pai ake te silicone mōārai huarere parakoreMō te roa o te hanga, he pai ake te mahi whānui a te PU.
5. Kia pēhea te roa o te ora o te hiri polyurethane?
Ko te roanga mahi noa10–20 tau, i runga i ngā āhuatanga, te kounga o te tāutanga, me te pānga ki te taiao.
Wā tuku: Whiringa-ā-rangi 19-2025