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Ko tehea te Weahanga Poari Foam He Ura-R teitei ake i te Eps

Uiui

Mena kua kite koe i a koe e tu ana i roto i te aroa whakamaarama, e titiro ana ki nga raarangi uara-R me te whakaaro he aha te EPS (polystyrene whakawhanui) ka aro katoa, ehara ko koe anake. Ko te EPS he tino pai, he pai ki te putea-whakaarohia ko te taraka tiki pono o nga papa pahuka. Engari i etahi wa ka hiahia koe ki tetahi mea he iti ake te uaua wera. Na, kia whakautua e tatou taua patai e mura ana: **ko tehea te whakamatao papa pahuka he nui ake te uara-R i te EPS?

Matohi kaipahua: Ko XPS raua ko Polyiso nga tamariki hauhautanga o te poraka.

Whakahou Tere: He aha te EPS?

Ko te EPS te papa pahuka i whakakiia ki te pirepire kua kitea pea e koe i roto i nga kapu kawhe, i te whakakao pīnati ranei (te momo kore-koiora ka puta ki to kari). Ko te tikanga ka tukuna he uara-R a tawhio noa **3.6 ki te 4.2 ia inihi**. Ehara i te kino! Engari i te wa e whawhai ana koe ki te ruuma mīti, ki te whare wera wera ranei, ko ia ira ira he mea nui.

Ko nga Kaiwhaiwhai e Patu ana i te EPS

1. XPS (Extruded Polystyrene) - Ko te Kaiwhakahaere Smooth

He rite te ahua o te XPS ki te whanaunga maeneene ake o te EPS. He mawhero (Owens Corning), he kahurangi (Dow), he kakariki ranei (momo momo). Kaore i rite ki te hanganga kapi o te EPS, ko te XPS he pūtau kati, he pahuka i te rite. Ka hoatu e ia:

- R-uara tata ki te 5 ia inihi – tata ki te 25-40% teitei ake i te EPS.

- He pai ake te aukati i te makuku (he pai mo nga ruuma me nga pakitara turanga o waho).

- He kaha ake te kaha o te pupuhi - he pai mo nga papa raima.

Raro? He utu nui ake, ehara i te mea he pai ki te taiao (he kaha ake te kaha o te pupuhi pupuhi i mua i te ozone, ahakoa kei te pai haere nga putanga hou). Engari mo te uara-R parakore mo ia inihi? Ka wikitoria te XPS.

2. Polyiso (Polyisocyanurate) – The Overachiever

Ko Polyiso te tauira whetu e whakaatu ana me te uara-R o 5.6 ki te 6.5 mo ia inihi – he tata ki te rua EPS i tona pai! I te nuinga o te wa ka anga ki te konumohe konumohe, ki te muka karaihe ranei, ka puta he kanapa, tata ki te paraikete mokowhiti.

Anei te hopu: Ka heke te uara-R o Polyiso i te makariri. Kei raro tata ki te 40°F (4°C), ka tiimata ana te mahi ki nga taumata EPS. No reira he mea whakamiharo mo nga tuanui, nga tuanui, me nga pakitara o runga ake i nga waahi ngawari-ki-mahana, engari he iti ake te pai mo te ruuma raro o Minnesota.

Te Whakatau (Kei roto i nga tohu matā koa)

- Mo te uara-R teitei rawa mo ia inihi: Polyiso (engari tirohia to ahuarangi!)

- Mo te mahi rite tonu + te aukati makuku: XPS

- Mo te 'pai' pai mo te tahua putea: Kia mau ki te EPS

He Whakatupato Maamaa

Kaua e waiho ko te tangata e hoko ana i a Polyiso mo te turanga i raro i te karaehe i Alaska, ka miharo koe he aha i makariri tonu ai ou maihao. Tena koa – kaua e tarai ki te hanga i tetahi pa papa pahuka ka kiia he whare iti. (Ka pai, mahia. Engari whakamauhia te papa ki te XPS.)

Whakamutunga Whakamutunga

Mena ka hiahia koe ki te papa pahuka me te uara-R teitei ake i te EPS, toro atu mo XPS (R~5) Polyiso ranei (R~5.6–6.5). Ka mihi atu to pire whakamahana ki a koe, ka koa koe ki te mohio kua eke koe ki te polystyrene taketake.

Hononga Tere

Kāwai Hua

Nga korero Whakapā

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