Ko te karāhe whakakikorua he karāhe e whakamahia whānuitia ana i roto i te ao o te karāhe hoahoanga, e mōhiotia ana hoki ko te karāhe rangimārie. He maha ngā paparanga karāhe o te karāhe whakakikorua, hei tāpiri atu ki te karāhe, ko te toenga he hanawiti kei waenganui o te karāhe, e toru ngā momo hanawiti: EVA, PVB, SGP.
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Ko te PVB sandwich Trust tētahi o ngā ingoa rongonui. He rauemi hanawiti noa hoki te PVB e whakamahia ana i roto i te karāhe hoahoanga me te karāhe motuka i ēnei rā.
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He uaua ake te tukanga rokiroki me te tikanga tukatuka o te paparanga PVB i te EVA, ā, he teitei ake ngā whakaritenga mō te pāmahana me te haumākū. Ko te tukatuka PVB me whakahaere te pāmahana i waenga i te 18℃-23℃, ko te whakahaere i te haumākū whanaunga i te 18-23%, ko te PVB e piri ana ki te 0.4%-0.6% te ihirangi makuku, i muri i te whakamahana i mua i te tukanga hurihuri, te tukanga korehau rānei, ko te whakamahinga o te autoclade hei aukati i te tiaki wera me te pēhanga, ko te pāmahana autoclade: 120-130℃, te pēhanga: 1.0-1.3MPa, te wā: 30-60min. E hiahia ana ngā taputapu kaihoko PVB ki te 1 miriona moni, ā, he uauatanga mō ngā pakihi iti. I ētahi tau kua pahure ake nei, ko te nuinga ki te kai a Dupont, Shou Nuo, te wai me ētahi atu kaihanga o tāwāhi, ko te PVB o te whare he mea hangarua te nuinga o ngā raraunga hei aukati i te tukatuka tuarua, engari kāore i te tino pai te pumau o te kounga. I ngā tau tata nei, kei te whanake haere hoki ngā kaihanga kaihoko PVB o te whare.
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He pai te haumaru o te PVB, he pai te ārai oro, he mārama, he ātete hoki ki ngā hihi matū, engari kāore i te pai te ātete wai o te PVB, ā, he ngāwari ki te whakatuwhera i roto i te taiao makuku mō te wā roa.
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Ko te EVA he whakarāpopototanga mō te ethylene-vinyl acetate copolymer. Nā tōna ātete kaha ki te wai me te waikura, he whānuitia te whakamahinga i roto i te kiriata takai, te kiriata whare mahi, te rauemi hu pahuka, te piripiri rewa wera, te waea me te taura me ngā taonga takaro, me ētahi atu. Ko te tikanga, ko te EVA anake te mōhiohio e whakamahia ana e Haina.
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Ka whakamahia hoki te EVA hei hanga i te karāhe whakakikorua, ā, he nui te utu. Ki te whakatauritea ki te PVB me te SGP, he pai ake te mahi a te EVA, ā, he iti ake te pāmahana whakaweto, ā, ka taea te tukatuka ina tae te pāmahana ki te 110℃. Tata ki te 100,000 yuan te utu mō te huinga taputapu kaihoko katoa.
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He pai te mahi a te kiriata EVA, ka taea te aukati i te tukanga whakapiri me te hurihuri waea i roto i te paparanga kiriata hei hanga karaihe whakapaipai ataahua me ngā tauira me ngā tauira. He pai te ātete wai o te EVA, engari he ātete ki ngā hihi matū, ā, he ngāwari te kōwhai me te mangu ki te roa o te pānga o te rā, nō reira he mea whakamahi nui mō te ārai o roto.
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Ko te SGP he whakarāpopototanga mō te membrane takawaenga ionic (Sentryglass Plus), he rauemi hanawiti mahi-teitei i whakawhanakehia e DuPont. Ko tōna mahi-teitei e whakaatuhia ana i roto i:
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1, he tino pai ngā āhuatanga miihini, he kaha teitei. I raro i te matotoru kotahi, ko te kaha kawe o te hanawiti SGP e rua ngā wā i te kaha o te PVB. I raro i te kawenga me te matotoru kotahi, ko te piko o te karāhe whakakikoruatia SGP he hauwhā o te PVB.
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2. Te kaha haehae. I te matotoru kotahi, ko te kaha haehae o te kiriata piri PVB e 5 ngā wā i tō te PVB, ā, ka taea hoki te whakapiri ki te karāhe i raro i te āhua haehae, me te kore e taka te karāhe katoa.
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3, he pakari te pumau, he ātete mākū. He mārama te kiriata SGP, kāore he tae, ā, he mārama hoki i muri i te rā me te ua mō te wā roa, he ātete ki ngā hihi matū, kāore e ngāwari ki te kōwhai, he <1.5 te tauwehenga kōwhai, engari ko te tauwehenga kōwhai o te kiriata hanawiti PVB he 6~12. Nō reira, ko te SGP te mea tino pai o te karāhe whakakikorua tino-mā.
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Ahakoa he tata te tukanga whakamahi o te SGP ki tērā o te PVB, he nui te utu o te pūwhakamutunga, nō reira kāore i te tino noa te whakamahinga i Haina, ā, he iti te mōhiotanga mōna.
Wā tuku: Akuhata-09-2024
