Puas muaj cov qauv hauv tebchaws lossis thoob ntiaj teb rau EVA hnabkuaj zoo?
EVA hnab, uas yog, lub hnab ua los ntawm ethylene-vinyl acetate copolymer (EVA), yog dav siv nyob rau hauv ntau yam teb vim lawv lightness, durability thiab cushioning zoo. Rau qhov kev ntsuam xyuas zoo ntawm EVA hnab, muaj tseeb ib tug series ntawm lub teb chaws thiab thoob ntiaj teb cov qauv los xyuas kom meej kev ruaj ntseg thiab kev cia siab ntawm cov khoom. Nov yog qee qhov tseem ceeb ntawm EVA hnab kuaj cov qauv zoo:
International Standards
TS EN ISO 1629-1: Qhov no yog cov qauv kev sim rau EVA cov ntaub ntawv tsim los ntawm International Organization for Standardization (ISO), suav nrog kev kuaj lub cev ntawm EVA cov ntaub ntawv, xws li lub zog tensile, elongation thaum tawg, thiab lwm yam.
ASTM D1043: EVA cov ntaub ntawv tus qauv tsim los ntawm American Society for Testing and Materials (ASTM), suav nrog cov txheej txheem kuaj lub cev ntawm EVA cov ntaub ntawv
National Standards
GB / T 2000: Kev sim cov txheej txheem rau EVA cov ntaub ntawv hauv Suav teb cov qauv, suav nrog kev ntsuas lub cev ntawm EVA cov ntaub ntawv
GB / T 1200: Qhov no yog txoj kev ntsuas qhov ceev rau EVA cov ntaub ntawv hauv Suav teb cov qauv
GB / T 29848-2018: Qhia meej txog cov kev xav tau, kev sim, kev soj ntsuam xyuas, cim, ntim, kev thauj mus los thiab khaws cia ntawm ethylene-vinyl acetate copolymer (EVA) zaj duab xis rau photovoltaic module encapsulation
GB/T 27934.2-2011: Txheej txheem tswj thiab nrhiav kom tau cov txheej txheem rau laminating luam ntawv Tshooj 2: Ethylene-vinyl acetate copolymer (EVA) kub yaj nplaum nplaum ua ntej txheej
GB/T 31984-2015: Test method for vinyl acetate content in ethylene-vinyl acetate copolymer for photovoltaic modules Thermogravimetric analysis (TGA)
Cov qauv kev lag luam
HG / T 2877: Cov txheej txheem kev lag luam tshuaj, suav nrog cov txheej txheem tsim khoom thiab cov khoom lag luam zoo ntawm EVA cov ntaub ntawv
QB / T 2309: Cov qauv kev lag luam teeb pom kev zoo, suav nrog cov qauv siv EVA cov ntaub ntawv hauv cov ntaub ntawv khau
Cov qauv kev tiv thaiv ib puag ncig
RoHS Cov Lus Qhia: Kev txwv tsis pub siv qee yam phom sij hauv cov khoom siv hluav taws xob thiab hluav taws xob, kev siv EVA cov ntaub ntawv hauv cov khoom siv hluav taws xob yuav tsum ua raws li cov lus qhia no
REACH Txoj Cai: EU cov cai ntawm kev sau npe, kev tshuaj xyuas, kev tso cai thiab txwv tsis pub siv tshuaj, kev tsim khoom thiab siv cov khoom siv EVA yuav tsum ua raws li cov cai ntawm REACH Regulation.
Cov kev xav tau kev ua tau zoo thiab cov txheej txheem xeem
Kev ua tau zoo ntawm EVA cov ntaub ntawv feem ntau suav nrog cov khoom siv lub cev, cov khoom siv thermal, cov khoom siv tshuaj lom neeg thiab kev hloov pauv ib puag ncig. Cov txheej txheem xeem muaj xws li tensile test, hardness test, compression tas li deformation test thiab thermal tsom xam, thiab lwm yam.
Los ntawm kev ua raws li cov qauv no, kev tsim thiab siv cov hnab EVA tuaj yeem ua kom lawv cov khoom zoo thiab kev nyab xeeb thiab ua tau raws li cov kev xav tau ntawm cov khw sib txawv thiab cov chaw siv. Cov qauv no tsis yog tsuas yog them rau cov kev ntsuas kev ua tau zoo ntawm lub cev ntawm EVA cov ntaub ntawv, tab sis kuj suav nrog kev tiv thaiv ib puag ncig thiab kev lag luam tshwj xeeb, muab kev lees paub zoo rau EVA hnab.
Kev piav qhia ntxiv:
Dab tsi yog qhov tseem ceeb ntawm GB / T 29848-2018?
GB / T 29848-2018 yog Tuam Tshoj lub teb chaws tus qauv, uas feem ntau teev cov yuav tsum tau, xeem txoj kev, soj ntsuam cov cai, cim, ntim, tsheb thauj mus los thiab cia ntawm ethylene-vinyl acetate copolymer (EVA) films rau photovoltaic module encapsulation. Cov hauv qab no yog qee qhov tseem ceeb uas tau teev tseg hauv tus qauv:
Scope ntawm daim ntawv thov: tus qauv no siv rau EVA zaj duab xis rau photovoltaic module encapsulation, thiab qhia cov pob tshab EVA films thiab dawb EVA films
Cov nqe lus thiab cov lus txhais: ntxiv cov lus cog tseg ntawm pob tshab EVA cov lus yeeb yaj kiab, thiab tshem tawm cov lus yeeb yaj kiab ntawm Eva cov yeeb yaj kiab, thiab shrinkage tus nqi
Cov kev cai tshwj xeeb: Hloov kho cov kev xav tau tshwj xeeb, muab faib ua pob tshab EVA specifications thiab dawb EVA specifications, thiab ntxiv qhov sib txawv ntawm qhov sib txawv
Cov kev cai tshwm sim: Ntxiv cov kev cai ntawm "tsis muaj creases thiab tsis muaj stains"
Kev ua haujlwm ntawm lub cev: Ntxiv rau qhov kev ua tau zoo ntawm lub cev ntawm pob tshab EVA, hloov pauv kev xa tawm, tev lub zog, ntim tiv taus, UV kev laus ua haujlwm, kub thiab av noo siab kev laus kev ua haujlwm, thiab hloov qhov tawg ntawm lub zog rau hluav taws xob, ntxiv tensile zog, elongation Thaum tawg, taug qab qhov ntsuas tsis kam, qhuav tshav kub kev laus ua haujlwm (yeem khoom), UV kub thiab cov av noo siab aging kev ua tau zoo (cov khoom xaiv tau), PCT kev laus ua haujlwm (yeem xaiv tau yam khoom)
Kuaj tej yam kev mob: Hloov "cov qauv yuav tsum tau" mus rau "sim tej yam kev mob" Parts", thiab hloov cov kev cai uas muaj feem xyuam
Kev sim txoj kev: hloov cov txheej txheem ntsuas thickness, ntxiv cov txheej txheem deg density deviation test; hloov kho txoj kev tshuaj xyuas zoo li qub; ntxiv cov txheej txheem deg density deviation test; tshem tawm cov vinyl acetate (VA) cov ntsiab lus xeem txoj kev; hloov kho txoj kev xeem kis; ntxiv txoj kev ntsuas qhov cuam tshuam; hloov kho txoj kev ntsuas kev sib tw crosslinking; ntxiv lub zog tensile thiab elongation ntawm cov kev xeem so; hloov cov txheej txheem tev lub zog kuaj; hloov kho txoj kev sim shrinkage; hloov txoj kev ntsuas hluav taws xob muaj zog; ntxiv cov kev ntsuas ntsuas qhov ntsuas qhov ntsuas qhov ntsuas; hloov kho UV aging resistance test method; hloov kho qhov kub thiab av noo siab aging kev ua tau zoo xeem txoj kev; ntxiv cov kev ua haujlwm kub qhuav qhuav, UV kub kub thiab cov av noo siab kev laus ua haujlwm, PCT aging kev ua tau zoo xeem txoj kev
Kev soj ntsuam cov cai: ntxiv "kev qhia tshwj xeeb thiab kev sib txawv" rau cov khoom kuaj xyuas lub Hoobkas; hloov kho hom kev tshuaj xyuas
Ntim, kev thauj mus los thiab kev khaws cia: hloov cov khoom txee lub neej tom qab qhib lub thawv ntim khoom
Cov kev cai no ua kom muaj kev ua tau zoo thiab zoo ntawm EVA zaj duab xis hauv photovoltaic module encapsulation kom tau raws li qhov xav tau ntawm kev lag luam photovoltaic.
Cov khoom xeem twg suav nrog hauv ASTM D1043 tus qauv?
ASTM D1043 tus qauv feem ntau suav nrog kev ntsuas torsion ntawm cov ntaub ntawv yas hauv qab qhov kub thiab txias los txiav txim siab lawv cov yam ntxwv nruj. Cov hauv qab no yog qee yam ntawm cov khoom xeem suav nrog hauv ASTM D1043 tus qauv:
Torsional stiffness: Kev ntsuas qhov torsional tawv ntawm cov khoom yas ntawm qhov sib txawv ntawm qhov kub thiab txias, uas yog qhov tseem ceeb rau kev ntsuas cov khoom muaj peev xwm tiv thaiv torsional deformation.
Temperature dependence: Ntsuam xyuas seb qhov torsional tawv ntawm cov ntaub ntawv yas hloov nrog kub, uas yog ib qho tseem ceeb rau kev nkag siab txog kev ua tau zoo ntawm cov ntaub ntawv nyob rau hauv txawv ib puag ncig tej yam kev mob.
Torsional creep: Ntsuas qhov torsional deformation ntawm cov ntaub ntawv yas nyob rau lub sij hawm nyob rau hauv tas li torque los soj ntsuam lub sij hawm ntev stability ntawm cov khoom
Torsional so: Kev ntsuam xyuas lub zog ntawm cov ntaub ntawv yas nyob rau hauv tas li torsional deformation dhau sij hawm kom nkag siab txog cov yam ntxwv ntawm kev ntxhov siab ntawm cov khoom.
ASTM D1043 tus qauv muab ib txoj hauv kev los ntsuas cov ntsuas kev ua tau zoo ntawm cov ntaub ntawv yas los ntawm kev ntsuas torsion, uas yog qhov tseem ceeb ntawm cov khoom xaiv, tsim khoom thiab tswj kom zoo. Los ntawm cov khoom xeem no, kev ntseeg siab thiab ua haujlwm ntev ntawm cov ntaub ntawv yas hauv ntau daim ntawv thov tuaj yeem ua kom ntseeg tau.
Post lub sij hawm: Dec-02-2024