He aha te WBP plywood?

WBP plywoodhe plywood veneer teitei i hangaia ki te kāpia parewai.He rereke mai i te plywood moana i runga i nga tikanga whakamohiotanga matua.
I roto i te ahumahi plywood, ko te kupu WBP e tohu ana mo Weather and Boil Proof, kaua ki te Water Boil Proof.
He ngawari te kohua wai.He maha nga papa papapu utu paerewa ka ngawari ki te whakawhiti i te 4 haora o te kohua wai, 24 haora ranei mena ka pehia pai te papa.He uaua ake te whakamarumaru o te huarere i te mea me makuku te plywood me te whakamaroke i etahi waa hei whakataurite i te rangi ua.
Ko te mea tino nui o te WBP plywood he whakamarumaru.WBP plywood ka mau ki te ra me te ua.
WBP plywood i hanga ki te kapia phenolic/melamine
Ko te papapa he mea hanga kia toru, neke atu ranei nga pepa angiangi o te rakau (e kiia ana ko te veneers) ka whakapirihia, ka whakatakotoria ia paparanga ki nga koki matau ki te witi o muri.He tau kerekere o ia plywood.Ko te pao whiti o te witi rakau ka kaha ake te plywood i nga papa, ka iti ake te paopao.
Ko te WBP plywood tetahi o nga momo plywood tino roa.Ko tana kāpia he melamine, he kapia phenolic ranei.Ki te whakaarohia te karaehe o waho, te karaehe moana ranei, me hanga te plywood ki te kāpia WBP.Me hanga te plywood WBP pai ki te kāpia phenolic.
WBP plywood hanga ki te melamine auau hei utu mo te phenolic ka mau ake ki te lamination mo te 4-8 haora i roto i te wai kohua.Ka taea e te kapia melamine teitei te tu ki te wai kohua mo te 10-20 haora.Ka taea e te kāpia phenolic premium te tu ki te wai kohua mo te 72 haora.Me tohu ko te roa o te wa e taea ai e te plywood te tu ki te wai koropupupu me te kore he delamination ka whakawhirinaki ano ki te kounga o te whakakikorua plywood.
Kua hangaia te WBP mo te whakamahinga o waho
Ko te nuinga o nga puna korero e kii ana ki te WBP he Wai Pounamu, engari he ahua he tenei.I tino whakawhanakehia e WBP te paerewa i te UK me te mea kua tohua i roto i te British Standards Institution Standard 1203:1963, e tohu ana i nga karaehe e wha o nga kapia plywood i runga i to ratou roa.
Ko te WBP te kapia tino roa ka kitea e koe.I roto i te raupapa heke o te mauroa, ko etahi atu karaehe kapia he atete ki te tunu (BR);ātete ki te makuku (MR);me roto (INT).Ko te plywood WBP he mea hanga tika ko te plywood anake e taunakitia ana mo waho, e ai ki te Whakahaere Kai me te Ahuwhenua o te United Nations.He mea hangaia te WBP plywood mo waho penei i te hanga whare, whakaruruhau me nga uhi, tuanui, papa ipu, raima raima me etahi atu.
He aha te plywood parewai?
Ahakoa he nui te whakamahi a te tangata i te kupu, karekau he plywood parewai.Ko te tikanga o te “waiwai” he here pumau to te plywood e kore e kino i roto i nga ahuatanga maku.Ma tenei ka kore e "waiwai" te plywood i te mea ka haere tonu te makuku ki nga tapa me nga mata o nga papa.