popoki:Papa Huhu PVC
ʻO ka papaʻo PVC kiʻekiʻe he kūpono no nā lako hana maʻamau a me nā hana maʻamau. He mea maʻalahi ia e hoʻoheheʻe,ʻoki aʻoki. Kākoʻo ia i ka ...
e nānā i nā kikoʻīNo nā ʻenekinia a me nā loea kūʻai i ka ʻoihana hoʻolaha a me ke kūkulu hale, ʻo ka lōʻihi o ka waiwai ma lalo o ka ʻike ʻana o ka lā he metric hana koʻikoʻi. ʻOiai ʻo ka lāʻau kuʻuna ke kūlana mōʻaukala no ka hoʻohana ʻana i waho, ʻo nā pono ʻenekinia o a papa pvc keʻokeʻo ke ʻike nui ʻia nei. ʻO ʻO Jiatao Industrial Co., Ltd. , He mea hana nui ma Kina me ka nui o ka makahiki ma mua o 25,000 tons, hoʻohana i ka ʻenehana extrusion kiʻekiʻe a me ka hoʻomaʻamaʻa hoʻoheheʻe ʻana e hana i nā hopena PVC kiʻekiʻe. Hāʻawi kā mākou huahana i nā ʻoihana papa honua ma waena o ʻAmelika Hui Pū ʻIa, Kelemānia, a me Iapana, e hāʻawi ana i kahi ʻenehana ʻoi aku ka maikaʻi ma mua o nā fibers kūlohelohe i nā wahi kiʻekiʻe-UV.
ʻO ka ʻokoʻa mua ma waena o nā polymers synthetic a me ka lāʻau maoli aia i kā lākou pane ʻana i ka radiation ultraviolet. Ke hilinaʻi nei ka lāʻau ma luna o ka lignin no ka paʻa o ke kūkulu ʻana, ka mea e hoʻohaʻahaʻa koke i ka photochemical i ka wā e ʻike ʻia ai i nā kukuna UV, e alakaʻi ana i ka hina a me ka haki ʻana o ka fiber. ʻO ka hoʻohālikelike, a kiʻekiʻe kiʻekiʻe keʻokeʻo pvc foam pepa no ka hoʻohana waho ua hana ʻia me ka titanium dioxide (TiO2) a me nā mea hoʻokūpaʻa UV kūikawā. Hōʻike kēia mau mea hoʻohui i ka radiation UV a hoʻokaʻawale i nā radical manuahi ma mua o ka hiki ke hana i ka scission kaulahao i ka matrix polymer. Wahi a ka 2024-2025 Polymer Weathering Report na ka American Society for Testing and Materials (ASTM) , Hoʻokomo ʻia nā mea hoʻokumu PVC kiʻekiʻe i kēia manawa i nā stabilizers nano-scale e hoʻonui i ka wikiwiki o ka waihoʻoluʻu a me ka paʻa ʻana o ka vinyl i hoʻonui ʻia a hiki i ka 40% i hoʻohālikelike ʻia me nā mea i hoʻopaʻa ʻole ʻia.
Puna: ASTM International - Nā Kūlana Kūlana no ka Polymer Weathering a me UV Resistance
ʻOiai pono ka lāʻau i ka pena hou ʻana a i ʻole ke kala ʻana i mea e mālama ai i kāna pale UV, a papa pvc keʻokeʻo mālama i kāna kemika kūloko me ka ʻole o ka mālama lua. He porous a hygroscopic ka lāʻau, ʻo ia hoʻi, hoʻohui pinepine ʻia ka pōʻino o UV me ka pala i hoʻoulu ʻia i ka wai, ʻoiai ʻo PVC ua pani ʻia a he hydrophobic maoli.
| Anana Hana Hana | Laau Ku'una (Laau Pa'ipa'i) | papa pvc keʻokeʻo (Papa Kiʻekiʻe) |
| Ka hopena hoʻohaʻahaʻa o UV | ʻO ka haʻihaʻi ʻana o ka lignin, ke kala, a me ka haki ʻana | Ka poʻi liʻiliʻi o ka ʻili (inā ʻaʻole paʻa) |
| Paʻa kala | ʻilihune; mae a melemele wikiwiki | Maikaʻi; uv pale keʻokeʻo pvc papa no ka hōʻailona hoʻokō |
| Kūlana Ola | 3-5 mau makahiki (ʻaʻole mālama ʻia) | 10–20 makahiki |
| Pono ka mālama ʻana | ʻO ke one maʻamau, ka sila ʻana, a me ka pena | Hoʻomaʻemaʻe i kekahi manawa me ka wai |
Hoʻopili ʻia nā hōʻailona waho i nā loli wela loa. Hoʻonui maoli ka lāʻau a hoʻopaʻa ʻia e pili ana i ka makū ma mua o ka wela wale nō, e alakaʻi ana i ka warping a me ka ʻoki ʻana i ka manawa. A wai keʻokeʻo pvc pahu pahu no waho e hoʻohana i nā hiʻohiʻona i ka helu kūlike o ka hoʻonui wela laina. Ma ka ʻO ʻO Jiatao Industrial Co., Ltd. , hoʻohana mākou i nā kaʻina hana hoʻomaloʻo hoʻomaha maikaʻi no ka hōʻemi ʻana i nā koʻikoʻi o loko, e pale ana i ka hopena "kulou" i ʻike pinepine ʻia i loko o nā palaka haʻahaʻa a i ʻole nā papa lāʻau maoli.
Pilikia loa ka lāʻau i ka pōʻino olaola ke hiki i kona ʻili i hoʻopōʻino ʻia e UV ke komo i ka makū. ʻO ka mea ʻē aʻe, a 3mm 5mm keʻokeʻo pvc pahu pahu kūʻai nui Hāʻawi ka kikoʻī i kahi ʻili porous ʻole i hoʻopilikia ʻole ʻia e ka ua, ka hau, a i ʻole ka haʻahaʻa kiʻekiʻe, e hōʻoiaʻiʻo ana e paʻa mau ka hōʻailona a ʻimi ʻoihana no nā makahiki.
| Kumu Kaiapuni | Hoailona laau maoli | papa pvc keʻokeʻo hōʻailona |
| Hoʻopiʻi wai | Kiʻekiʻe (8%–25% ma muli o nā ʻano ʻano) | <1.0% (Paʻa-pūnaewele hale) |
| Kūʻē ʻAiʻa/Pepa | Hiki ke mālama ʻia me ka ʻole o ka lāʻau kemika | Paʻa ʻole i ka pala a me ka nalo |
| ʻO ka ʻauʻau wela | Kiʻekiʻe (ma muli o ka hui ʻana o ka makū-mehana) | Haʻahaʻa (Hoʻonui wānana) |
Mai kahi hiʻohiʻona ʻenekinia, ʻo ka maʻalahi o ka hana ʻana he mea hoʻokele waiwai nui. Pono ka lāʻau kuʻuna i nā mea hana kamana kūikawā a hiki ke maʻalahi i ka wā o ka hoʻokele CNC paʻakikī. A ka nui maʻamau keʻokeʻo pvc foam papa no ka hoʻolaha hiki ke ʻoki ʻia, hoʻoheheʻe ʻia, a me ka wela me ka pololei. Eia kekahi, ka ikehu ili o a papa pvc keʻokeʻo ʻoi aku ka maikaʻi no ka paʻi kikohoʻe UV. ʻIkepili ʻoihana mai ka ʻAhahui hōʻailona honua (ISA) e hōʻike ana ma luna o 70% o nā papahana hōʻailona waho hou i ka makahiki 2025 ua neʻe i nā substrates PVC māmā ma muli o ka hoʻemi ʻana o ka hana hoʻokomo a me ka hoʻopili ʻana i ka inika maikaʻi i hoʻohālikelike ʻia me nā lāʻau lapaʻau.
Puna: ʻAhahui Hōʻailona International - 2025 State of the Industry Report
kūlana kiʻekiʻe uv pale keʻokeʻo pvc papa no ka hōʻailona , e like me nā mea i hana ʻia e Jiatao Industrial, loaʻa nā kiʻekiʻe kiʻekiʻe o TiO2 e pale ai i ka melemele. ʻOiai melemele paha ka PVC maʻamau, ua hoʻolālā ʻia kā mākou papa hana waho kiʻekiʻe e noho keʻokeʻo keʻokeʻo no 10 mau makahiki a ʻoi aku paha.
ʻAe. A kiʻekiʻe kiʻekiʻe keʻokeʻo pvc foam pepa no ka hoʻohana waho hiki ke hana ʻia me nā ʻili, nā wili, a me nā mea ala i hoʻohana ʻia no ka lāʻau. Eia nō naʻe, no ka loaʻa ʻole o kāna kīʻaha, ʻaʻole ia e māmala a māwae paha, e ʻae ai i nā ʻaoʻao maʻemaʻe.
ʻOiai ke kumu kūʻai mua o kahi 3mm 5mm keʻokeʻo pvc pahu pahu kūʻai nui ʻoi aku paha ke kiʻekiʻe ma mua o ka lāʻau palupalu haʻahaʻa, ʻoi aku ka haʻahaʻa o ke kumukūʻai o ka ʻona no ka mea ʻaʻole ia e koi ʻia ke pena, sila ʻana, a i ʻole ke pani ʻana ma muli o ka pala.
ʻOiaʻiʻo. A wai keʻokeʻo pvc pahu pahu no waho ʻAʻole paʻakai nā noi, e lilo ia i mea koho maikaʻi loa no ka hōʻailona kai kahi e hoʻohaʻahaʻa koke ai ka wai paʻakai i ka lāʻau a i ʻole nā mea hao.
ʻAe, ma ke ʻano he mea hana ʻoihana, hāʻawi mākou ka nui maʻamau keʻokeʻo pvc foam papa no ka hoʻolaha e hōʻemi i ka ʻōpala. ʻO kā mākou kumu hana nui e hōʻoia i ka mānoanoa a me ka paʻakikī ma kēlā me kēia kauoha maʻamau.
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