Txhais kom paub txog qhov tseem ceeb ntawm Polyamide nyob rau hauv kev tshuaj xwm siv los tach tawm txias

Qhov tach tawm txias nyob rau hauv zaj mov aluminum yog dab tsi?

Thermal breaks ua raws li cov kab kev ruaj khov xaiv tshuab nyob saum ib leeg thiab sab nraub ntuj ntawm qhov rooj tog raj hlau kom txo kev sib txuas ntawm kub. Aluminum tus ntxiag tso kub ntau, nyob rau 237 W/mK raws li cov ntsiab lus sau, uas txhais tau tias tsev yuav nthuav kub hauv xyoo no thiab muaj teeb meem kub tawm. Thaum cov neeg tsim khoom sau nrog cov khoom tsis tuaj kub zoo xws li polyamide (nyob rau 0.3 W/mK raws li Rhea Windows ntaub ntawv los ntawm 2023), lawv txo kev kub tawm ntau dua 95%. Qhov no tsim qhov chaw tsim nyog rau kev pab tsev ruaj khov, pab tsev ruaj khov khiav ceev kub zoo li cas thiab txo nqi kub ntau.

Qhov tseem ceeb ntawm Polyamide nyob rau kev tshuav kom txias tsis tshuav

Cov cuab yeej polyamide ua raws li cov khoom tshuaj xyuas txias zoo, thaum twg tseem nyob ib txhiab nyob rau hauv qhov tseem ceeb. Cov polyamide muaj cuab nrog glass-reinforced muaj:

• Kev nyob ib txhiab ntawm kev cua sov tsis nyob hauv qab ( -40°C mus rau 120°C)
• Kev txhim kho tshuaj thaj yooj sib npaug nrog ntawv laj (kev txhim kho kab ruav ≥50 MPa)
• UV resistance kom tiv thaiv kev puav tso los ntawm kev nyiam siab ntev

Xa mus rau hauv kev kawm txog kev sib txuas ntawm kev ua kom sov, cov chaw ua haujlwm uas siv polyamide tau pib U-factors nyer 1.0 W/m²K , txhawj xeeb tias txhob muaj kev txwv zoo li kev txwv ntawm Passive House.

Txhwhy Polyamide Zoo Tshaj Yav Ntxiv Rau Cov Khoom Siv Kev Ruaj Khov

Txawv npaum li PVC loss rubber, polyamide muaj kev txhim kho tshuaj zoo ib txhis mus rau xyoo vim nws:

• Thermal expansion tsawg dua , sib npaug sib xws nyob rau hauv hlau aluminum
• Kev tso siab ntau tshaj hauv kev nyob rau hauv kev pheej yig nyob rau hauv kev pheej yig txiab txiab
• Kev tsis muaj caij nyoog tsagainst dej mu salt thiab cov khoom nyuaj xeeb uas tsis zoo rau hauv dej thiab hauv av

Kev test los ntawm tus kws tshawb fawb pom tias polyamide khiav tseg 98% ntawm nws qhov kev tiv thaiv tom qab 10,000 zaug ntawm kev rov qab rov qab ntawm kub thiab nguas, kom rau 72% ntawm PVC (Chaw thoj kev lag luam 2023). Qhov nyab npaum no ua rau nws zoo tagnaws rau rau tsev nruj thiab rau sab dej.

Qhov chaw tshwm sim thiab qhov nyab npaum ntawm cov khoom siv rau glass-reinforced polyamide

Polyamide vs. Nylon: Qhia qhov sib txawv tseem ceeb hauv kev tiv thaiv

Txhawm tias ob yav muaj polyamides, engineering-grade polyamide (xws li PA66-GF25) sib txawv qhov chaw tsim los ntawm nylon pheej xwm. Nws cov hydrogen bonding zoo dua tau 15–20% ntau dua hnyuav kub, txhooj mus rau 220°C—ntau dua nylon uas nyob rau 180°C. Qhov zoo dua no tshem kub txo rau kev nyob siab ntev rau kev siv rau lub tsev nrog aluminum.

Yuav li cas Glass Fiber Reinforcement Txhim kho Qhov Chaw Nyob Siab

Sau 25–30% sib txwv roj teeb yuav pab polyamide los ua ib qho chaw zoo. Qhov sau saum no pab ntxiv flexural strength los ntawm 30% thiab txo thermal expansion los ntawm 40% kom nrog cov tsis sau saum no. Txhawm tias ntim zoo tshaj plaws ntawm cov composite sau fiber, qhov chaw nyob siab uas tsim los ntawm glass fibers tiv thaiv kev npaj tsis raug rau qhov chaw, txhooj cov caij nyoog tiv thaiv rau curtain wall systems.

Kev Tshawb Nrhiav Rau Saum UV Thiab Kev Txhaj Khib Khib Kev Khib

Thaum muab mus rau hauv kev test tsim nyog rau kev xeeb xyuas, cov polyamide muaj phiaj hlau zoo li ntawm qhov tseem ceeb. Tom qab 5,000 teev nyob rau hauv sab nraud UV txhua theem raws li ASTM G154, nws tseem muaj feem ntau ntawm 92% ntawm qhov tshwm sim thaum pib. Cov khoom no kuj dhau ib daim ntawv me me, tsawg dua 1.5%, yog li nws tsis hla hauv qhov chaw muaj dej ntau. Qhov uas ua rau cov khoom no txawv yog tias cov sib thooj phiaj hlau nyob hauv tus kheej tuaj yeem pab kom tsis txawv mus rau txheej xeem txog -40 degrees Celsius. Nyob rau qhov no, cov neeg kho tshuaj feem ntau yuav xa cov khoom siv no rau hauv qhov chaw nyob ze vwj teb uas muaj cheeb laub muaj muaj zib los yog qhov chaw uas muaj kev sov thiab thawb dua dua txhua xyoo.

Txhawj xeeb nrog cov kev tswj hwm kho tshuaj rau kev txhim kho zoo

Cov khaub tshwj tse tsim khoom tau muab kev cai nyiaj sib txuas li ASTM D790 (kev sim kab ntsug) thiab ISO 527 (zaj zuj tshaj tawm) kom paub tseeb tias cov khoom zoo ib yam. Kev txhim kho los ntawm ISO 17025 tus kav lag luam yooj yim rau EN 14024 qhab TBR-60+ cov lus qhia, ua rau cov neeg tsim phojteeb muaj kev txaus siab tias 30 xyli ntawm kev nyob ruv nrog rau cov phab ntsa tiv thaiv.

Kev Pab Txhawb Siv Hluas Thiab Kev Nyob Ruv ntawm Cov Struts Polyamide

Txoj Cai Siv Kab Ntsug rau Cov Chaw Muaj Ntau Zaj Lug Hauv Cov Chaw Muaj Ntuj Ci

Hauv cov phab ntsa ntxoog ntxoog, cov struts polyamide yuav tsum nyob ruv nrog zaj lug kab ntsug uas loj dua 35 MPa kom tiv thaiv kev hloov pauv nyob rau hauv kev nqes ntuj txog 2.5 kPa (ASCE 7-22). Kev suav xyaum ntawm cheev laj pom tias thaum polyamide ncav rau ASTM D3846 cov lus qhia rau cov chaw tsim khoom, qhov tsis nyob ruv ntawm thermal break hloov mus 62% hauv cov tog raj kawg 40.

Cov Lus Qhia Tshaj Tawm Tseg Rau Kev Nyob Ruv ntawm Thermal Break

Cov lus qhia tseem ceeb yog:

• Tensile modulus (≥ 3,000 MPa) kom tiv thaiv kev ploj tsis tag nrho ntawm qhov chaw
• Kev nyiam hla siab (< 0.5% kev ploj tsis tag nrho nyob rau saum 70°C nyob rau hauv kev nyiam siab ntev)
• Coefficient of thermal expansion (CTE) nyob hauv 15% ntawm aluminum substrates

Polyamide muaj roj teeb tshem tau 98% ntawm nws tensile strength tom qab 5,000 zaug hluv (ISO 175:2023), zoo dua standard nylon los ntawm 41% nyob rau hauv load retention.

Sib cuag sib txuas nyob rau hauv kev sau polyamide

Ib qhov yooj yim flexural modulus chaw tsim kho tshwj xeej ntawm 2,200–2,800 MPa pub polyamide strips kom pom kev sib thooj kawg tsis buckling. Ib qhov kev suav sab hauv polymer performance hauv 2024 pom tias 28% glass fiber content tseem ceeb tshaj plaws rau joint rotation capacity (±3°) nyob rau seismic zones thaum twb tshuav nyob rau hauv stiffness ntev.

Kev Txhim Keb Siv Neeg Sauv Tsis Pub Rau Qhov Chaw Siv Hauv Lub Hoob Kas

Yog xav paub tias tsim nyj nyav npaum li cas, yuav tsum muaj kev them nqi los ntawm neeg thib ob:

• 5,000 hli tshem tshim kev sib txawv ntawm dej thiab uas ntuj (ASTM G155)
• 1,000 zaug kev sib pov pov cuag raws AAMA 501.4
• Tus tswj qhia tias tsis mob los ntawm cheeb lag ntawm EN 13687-2 rau qhov chaw nyob ze vaj muag

Qhov kev txhim keb no txhais tias polyamide tuaj yeem tshuaj xyuas 95% ntawm nws lub caij daws tes pheej xwm txhawj xeeb dua ib feem ntawm 30 xyoo siv.

Kev Siv Ntau Thiab Txo Koj Pheej Xwm Nyob Hauv Lub Hoob Kas

Txo qhov U-Factor Ratings nrog Polyamide Thermal Breaks

Thaum cov polyamide thermal breaks cuam tshuam rau cov chaw siv hluv nyob rau hauv cov khoom lag luam aluminum, lawv tseem pab txhim kho qhov U-factor ratings ntau. Cov khoom no muaj qhov thermal conductivity tsawg dua li 170 zaug kom compared to aluminum tshaub, uas txhais tau tias tsev neeg tuaj yeem nyob tshaub lossis tshaum txhaws raws li yuav tsum tau. Qhov sib txawv no tseem tshaj tshwv ntau - nyob ze 34 mus rau peb lub kaum ntseg hauv kev sib txawv ntawm kev siv kws tshuam thaum soj kom meej nrog cov khoom tshaub uas tsis muaj cov breaks no. Raws li cov kev test los ntawm National Fenestration Rating Council, cov tsev neeg siv los ua haujlwm uas xaiv siv curtain walls uas muaj polyamide thermal breaks yuav pom qhov U-factors hloov mus nyob ntawm 0.12 thiab 0.18 BTU per hour square foot degree Fahrenheit. Txawm tias qhov no zoo li leej twg thiaj xav tias yog qhov tsawg, tab sis nyob rau hauv qhov kev siv nyob ze tshaj plua pluag nws txhais tau tias muaj kev txhim kho ntau hauv kev sau ua nuj nqi.

Ntim qhov hluv nyob txo hauv cov hlwb thiab tsev siv khoom

Thaum tsev muaj qhov polyamide thermal breaks txuas, lawv feem ntau siv tsawg dua rau kev ua kom sov thiab systems tshem tsov. Cov neeg tshawb fawb tau saib xyuas 12 tsev chaw ua haujlwm kheej kheej los ntawm peb xyoo thiab tau pom cov kev nyiaj khoom zoo. Cov leej cipher tau plooj mus rau li $1.42 mus rau $2.08 txhua xyoo rau ib square foot ntawm qhov raj. Qhov no txhais tau tias nyob rau hauv ib tsev uas muaj 20,000 square foot ntawm sab nraub qaum, yuav tsum tau sau nyiaj li 9,500 kilowatt hours tsawg dua rau kev tshem tsov xwb. Lwm qhov tshawb nrhiav hais tias thaum thermal breaks tau tsim raws li qhauv, nws tuaj yeem txo qhov heat loss ntawm building envelopes los ntawm 27% mus rau 39%. Yog li no yog vim li cas ntau architects xav tau sau rau lawv tam sim no.

Kwv yis, Kev Txhim kho, thiab Kev Siv Hluas ntawm Polyamide Strips

Sib phim Polyamide Strut Size nrog Frame Design thiab Climate Needs

Kev tsim kho kev cuab yeej kub meem xav tau kev txiav txim siab tseeb tseg ntawm qhov loj ntawm polyamide strut thiab kev tsim hauv nuj nqaij/kev cuab yeej kub. Cov ntsiab lus tseem ceeb muaj:

• Qhov ntev ntawm profile (15–32 mm) sib phim thiab kev nyob siab ntawm aluminum frame
• CTE sib tham khaws raws li cheeb tsam hlis (PA66-GF25 nyob rau 55-85 Å~10-6/° C)
• Qhov thickness ntawm kev tiv thaiv kub (4–8 mm) sib phim thiab cov luj lawm hauv cheeb tsam

Ib qhov kev suav xyuas hmo 2024 ntawm cov chaw nyob ze vaj muag rooj ze yuav tsum tau sawv cev rau qhov kub rov los dua los ntawm 29% nyob rau qhov chaw uas muaj dej siav, txhais tau tias kev tsim kho zoo sib piv rau lis ntawm dej siab yog tseem ceeb

Cov Khoos Pha Siab Siv Rau Cov Tswv Yim Hauv Kev Tsim Roog

Polyamide strips hluas no siv cov duab sib kis uas pab tau 14–28% ntau dua li cov systems tua tseg dhau los. Cov ntaub ntawv saum tog tshaj tawm tias cov duab tsim khoos pha siab pab reduce cov nqi waste nyob rau hauv tog tshaj tawm los 19% thiab pab tau cov angles curtainwall tseem ceeb (30°–150°). Cov feautuers uas muaj tam sim no muaj:

• Cov profiles ua ua ntej rau cov miters sab sab
• Qhov ntev ntawm groove (12–35 mm)
• Cov nylon hybrid/polyamide composites rau cov chaw uas muaj dej siab

Kev Tswj Xyaum Nyob Rau Hauv Kev Tshuaj Xaub Ntau ntawm Thermal Breaks

Cov chaw tshuaj xyuas siv kompiuta tshuaj xyuas 100% ntawm txhua qhov tshuaj xaub rau:

1. Qhov loj ntawm kev cua sov hauv duv (35–45% los ntawm lub voj volume)
2. Qhov porous ntawm saab ( <0.2% raws li ASTM D2734)
3. Hom thiab ob (ΔE ≤ 1.5)

Cov neeg tshuaj xyuas los ntawm sab laj pom tias cov chaw tshuaj xaub uas muaj peev xwm ISO 9001:2015 tau tshuaj xyuas 99.97% qhov twg meej meej, nyob rau 98.4% hauv cov chaw tshuaj xaub tsis muaj peev xwm, uas tso caij los saib vim koj kev tswj xyuas zoo.