popoki:Papa Huhu PVC
Nā hiʻohiʻona: He mea waiwai maikaʻi loa me nā waiwai mechaninical maikaʻi, maʻalahi ke kaʻa e hana i nā hōʻike 3D e pili ana i nā'ōnaehana ma...
e nānā i nā kikoʻīPvc cellular foam papa ʻAʻole like ia me ka papa puaa maʻamau - he paʻa paʻa, pani-cell polyvinyl chloride panel i hana ʻia no ka hoʻohana ʻana. ʻO ia wai piha , kū'ē i nā kemika, a lawe i nā helu haʻahaʻa mai 0.35 g/cm³ a i 0.80 g/cm³. ʻO kāna hoʻohana mua ʻana i ka pale kūkulu ʻana, nā hōʻailona, nā lako, a me nā hoʻomaʻemaʻe moana - ma nā wahi āpau e koi ai i kahi papa māmā a lōʻihi, ʻoi aku ka pale.
ʻO ka PVC cellular papa puaa - i kekahi manawa i kapa ʻia ʻo PVC expanded foam board a i ʻole Forex board - ua hana ʻia ma o ke kaʻina hana co-extrusion kahi i hui ʻia ai ka resin polyvinyl chloride me nā mea hoʻoulu a me nā stabilisers, a laila hoʻokuʻu ʻia e hana i kahi panel me kahi ʻili o waho paʻapū a me kahi puʻupuʻu paʻa paʻa . ʻO kēia hale ka mea e hoʻokaʻawale iā ia mai ka pepa PVC paʻa a me ka papa polystyrene foam maʻamau.
Holo ka mānoanoa maʻamau mai 1 mm a 40 mm , me ka laulā a hiki i 1,560 mm a me ka lōʻihi a hiki i 3,050 mm. ʻO 0.45 g/cm³ nā māka haʻahaʻa maʻamau a me 0.65–0.80 g/cm³ (nā māka paʻakikī a i ʻole kaomi ʻia).
ʻAʻole - a ʻo ka huikau ʻana i nā mea ʻelua he kuhi hewa. ʻO ka huaʻōlelo foam board pili pinepine polystyrene a i ʻole polyurethane foam lamina ʻia ma waena o ka pepa a i ʻole ka pepa pepa: māmā, palupalu, a i manaʻo ʻia no nā hōʻikeʻike pōkole a i ʻole nā hana hana. Kaʻana like ʻana o ka PVC cellular foam board i ka huaʻōlelo "foam" ma muli o kona ʻano cellular core, akā pau ke ʻano like ma laila.
| Waiwai | PVC Cellular Foam Board | Papa Huhū maʻamau (PS/PU) |
|---|---|---|
| Mea kumu | Polyvinyl chloride (PVC) | Polystyrene a i ʻole polyurethane |
| ʻili ʻili | ʻO ka ʻili i hoʻokuʻu ʻia PVC paʻa | Pepa, foil, a kiʻiʻoniʻoni paha |
| Laulā mānoanoa | 0.35 – 0.80 g/cm³ | 0.02 – 0.05 g/cm³ |
| ʻoʻoleʻa | Kiʻekiʻe (kūkulu) | Haʻahaʻa ( ʻoluʻolu / palupalu) |
| Paʻa wai | Ka wai piha | Hoʻopili i ka wai |
| Paʻa ʻūlū/nail | ʻAe (nā māka haʻahaʻa kiʻekiʻe) | ʻAʻole |
| ʻO ke ola o waho | 10 – 15 makahiki | Nā mahina |
| Kumukuai maʻamau (no ka m²) | USD 8 – 25 | USD 1 – 5 |
| Ke noi kumu mua | Kūkulu, hōʻailona, kai | Nā hana noʻeau, nā mea hana lima, nā hōʻikeʻike manawa |
ʻO ka wehewehe ʻana i ka papa puaa maʻamau no ka hōʻailona o waho a i ʻole ke keʻena lumi ʻauʻau e hopena i ka delamination a me ka warping i loko o nā pule. E hoʻopaʻa mau i ka "PVC cellular" a i ʻole "PVC i hoʻonui ʻia" i ka wā e kauoha ai no nā noi i kūkulu ʻia a i ʻike ʻia i ka wai.
ʻAe - PVC cellular foam board is wai ʻole . ʻO ke ʻano o ka hale paʻa i hoʻopaʻa ʻia, ʻo ia hoʻi, ua hoʻopaʻa ʻia nā ʻeke ea pākahi i loko o nā pā kelepona PVC, me ka waiho ʻole ʻana i nā ala capillary no ke komo ʻana o ka wai. Hoʻihoʻi maʻamau ka hoʻāʻo kūʻokoʻa i ISO 62 a ka helu o ka wai ma lalo o 0.5% ma hope o 24-hola kaiapuni.
Ma nā ʻōlelo kūpono, ʻo ia hoʻi nā panela hiki ke:
Ua ʻike ʻia kahi haʻawina kula 2022 e nānā ana i nā panela hoʻopaʻa ʻana i ka pahu PVC ma nā hale kūʻai kai ma Qingdao, Kina. ʻaʻohe hoʻohaʻahaʻa kūkulu ʻana a ʻaʻole hiki ke ana ʻia ka moisture uptake ma hope o 36 mau mahina o ka ʻike pololei ʻana i ke kai-ea, i hoʻohālikelike ʻia me 12-18% o ka hoʻoheheʻe ʻana o ka wai ma nā panela mana MDF ma ka manawa like.
ʻOiai ʻaʻohe wai, PVC cellular foam board he ka huina hoonui wela ma kahi o 70 µm/m·°C — ʻoi aku ka kiʻekiʻe ma mua o ka lāʻau a i ʻole alumini. I loko o nā mea hoʻokomo nui i waho (ʻoi aku ma mua o 2 m), pono e hoʻolālā ʻia nā ʻāpana hoʻonui o 3-5 mm no kēlā me kēia mika laina, a i ʻole e paʻa nā hui i ka wela o ke kauwela. Eia kekahi, ʻo ka hoʻolōʻihi ʻia ʻana o UV me ka ʻole o ka uhi ʻana i ka UV-stabilised hiki ke hana i ka melemele ʻana o ka ʻili, ʻoiai ʻo ka panel ponoʻī ke ʻano maikaʻi.
ʻO ka hui pū ʻana o ka PVC cellular foam board o ka māmā, rigidity, a me ka pale ʻana i ka moisture i hoʻokahi o nā mea hana a me nā mea hōʻike i loaʻa. Aia ma lalo kona mau ʻāpana hoʻohana nui me nā hiʻohiʻona noi paʻa.
I ke kūkulu ʻia ʻana, hoʻololi ʻo PVC foam board i MDF, plywood, a me nā lāʻau i loko maʻemaʻe a maʻemaʻe paha . ʻO nā halemaʻi a me nā mea kanu hoʻolaʻa meaʻai e kuhikuhi ia no ka pale ʻana i ka paia no ka mea ʻaʻohe porous, maʻalahi ke hoʻomaʻemaʻe, ʻaʻole i hoʻopaʻa ʻia i ka lepo. ʻO nā kupapaʻu kīʻaha a me ka lumi lumi hale lole i kūkulu ʻia mai ka 18 mm dense-grade PVC foam board (0.65 g/cm³) ke kaupaona ʻana he 35–40% ka liʻiliʻi ma mua o nā mea like MDF a lawe i kahi palapala hōʻoia no ke ola ʻana mai ka hapa nui o nā mea hana nui.
ʻO ka ʻoihana hōʻailona hōʻailona no ka nui hoʻokahi o ka nui o ka hoʻohana ʻana i ka papa foam PVC ma ka honua. ʻO nā papa hoʻolaha waho, nā hōʻikeʻike kūʻai kūʻai kūʻai, nā papa waiwai, a me nā hale hōʻikeʻike ke hilinaʻi nei i kāna ʻili paʻa paʻa, paʻi ʻia a me ke ʻano paʻa . ʻO ka 5 mm o ka pahu manuahi ma 1.22 × 2.44 m ke kaumaha ma lalo o 7 kg, e hiki ai ke hoʻokomo i ka mea hoʻokahi. ʻO nā ʻoihana alakaʻi e like me Kömmerling (Foamalux) a me 3A Composites (Forex) e hoʻomalu i kēia māhele.
Ke kūkulu ʻia nei nā panela loko o ka waʻa, nā hale liʻiliʻi, a me nā ʻoliʻoli helm ʻO ka papa hoʻoheheʻe pvc cellular papa moana (density ≥ 0.65 g/cm³) no ka mea, ʻaʻole ia e pala, ʻino, a delaminate ke ʻike ʻia i ka wai bilge a me ka ea paʻakai. I loko o nā lako waho, hoʻololi ia i ka teak a me ka alumini no nā papa ʻaina a me nā noho noho ma nā wahi pāʻoihana kahi haʻahaʻa kālā mālama.
Makemake ka poʻe kūkulu hale hale hōʻikeʻike kālepa i ka papa puaa PVC no nā ʻōnaehana pā modular a me ke kūkulu kūʻē. Hiki ke paʻi pololei ʻia kona ʻili, paʻi vinyl, pena ʻia, a laminated paha. Maʻemaʻe nā ala ala a hiki i ka 0.1 mm ka hoʻomanawanui ma nā mīkini CNC, hiki ke hoʻopili ʻia nā ʻāpana e hui pū me ka ʻole o ka lako.
I loko o nā lumi hoʻomaʻemaʻe lāʻau lapaʻau a me nā mea uila, waiwai ʻia nā ʻāpana pahu PVC no kā lākou kū'ē kemika i nā ʻakika, alkalis, a me ka hapa nui o nā mea hoʻoheheʻe , me kā lākou mau koho antistatic surface. ʻO kahi papa 20 mm me ka pūʻolo hoʻohui ahi i helu ʻia (B1/DIN 4102 classification) e ʻoluʻolu i ka nui o nā papa maʻemaʻe papa ISO 6-8.
| ʻĀpana | Māmā-Hua Puʻu (0.45 g/cm³) | Paʻa Paʻa Paʻa (0.65–0.80 g/cm³) |
|---|---|---|
| ʻO ka mānoanoa | 0.40 – 0.50 g/cm³ | 0.65 – 0.80 g/cm³ |
| Ka ikaika tensile | ~15 MPa | ~25 MPa |
| Pākuʻi hoʻololi | 900 – 1,200 MPa | 1,400 – 1,800 MPa |
| ʻOmo wai (ISO 62) | < 0.5% | < 0.3% |
| Wela lawelawe | -30 °C a 60 °C | -30 °C a 60 °C |
| Ka helu ahi (maʻamau) | B2 (DIN 4102) maʻamau | Loaʻa ka B1 me ka mea hoʻohui |
| ʻO ke kau wela wela | 0.10 – 0.15 W/m·K | 0.15 – 0.18 W/m·K |
| Ka ikaika huki huki | Haʻahaʻa - ʻaʻole ʻōlelo ʻia | 280 – 400 N (5 mm wili) |
| Mānoanoa loaʻa maʻamau | 1 – 25 mm | 3 – 40 mm |
ʻO ke koho ʻana i ka māka haʻahaʻa hewa ka hewa kikoʻī maʻamau. E hoʻohana i kēia ʻano hoʻoholo:
E noi mau i ka pepa ʻikepili ʻenehana (TDS) a ka mea hana a e hōʻoia i ka nui, ka helu ahi, a me ke kūlana hoʻopaʻa UV ma mua o ke kauoha ʻana. ʻO nā inoa huahana e like me "Forex", "Foamalux", "Sintra", a me "Celtec" e pili ana i ka PVC cellular foam board akā ʻokoʻa paha i ka hana ʻana a me ka pae hana.
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