Kune chero nyika kana yepasirese zviyero zveEVA bagkuongororwa kwemhando?
EVA mabhegi, kureva, mabhegi akagadzirwa ethylene-vinyl acetate copolymer (EVA), anoshandiswa zvakanyanya munzvimbo dzakasiyana siyana nekuda kwekureruka kwawo, kusimba uye kuita kwakanaka kwecushioning. Zvekuyedzwa kwemhando yemabhegi eEVA, zvechokwadi kune akateedzana emarudzi uye epasi rose zviyero kuti ave nechokwadi chekuchengetedza uye kuvimbika kwezvigadzirwa. Heano mamwe akakosha EVA bhegi emhando yekuyedza zviyero:
International Standards
ISO 1629-1: Iyi ndiyo nzira yekuyedza yeEVA zvinhu zvakagadziridzwa neInternational Organisation for Standardization (ISO), inovhara bvunzo dzezvivakwa zveEVA zvinhu, senge simba rekusimba, kureba panguva yekuzorora, nezvimwe.
ASTM D1043: EVA zvinhu chiyero chakagadziridzwa neAmerican Society for Testing and Materials (ASTM), inovhara yemuviri midziyo yekuyedza nzira dzeEVA zvinhu.
National Standards
GB/T 2000: Nzira dzekuyedza dzeEVA zviwanikwa mumiyero yenyika yeChina, kusanganisira bvunzo dzezvivakwa zveEVA zvinhu.
GB/T 1200: Iyi inzira yekuyedza density yeEVA zvinhu muChina yenyika zviyero.
GB/T 29848-2018: Inotsanangura zvinodiwa, nzira dzekuyedza, mitemo yekuongorora, kumaka, kurongedza, kutakura uye kuchengetedza ethylene-vinyl acetate copolymer (EVA) mafirimu e photovoltaic module encapsulation.
GB/T 27934.2-2011: Kudzora uye nzira dzekuona dzelaminating pepa rakadhindwa Chikamu 2: Ethylene-vinyl acetate copolymer (EVA) inopisa inonyunguduka inonamira yepamberi yekuputira firimu
GB/T 31984-2015: Nzira yekuedza yevinyl acetate content mu ethylene-vinyl acetate copolymer ye photovoltaic modules Thermogravimetric analysis (TGA)
Indasitiri mitemo
HG/T 2877: Chemical indasitiri yakajairika, inosanganisira maitiro ekugadzira uye zvigadzirwa zvemhando zvinodiwa zveEVA zvinhu.
QB/T 2309: Chiedza cheindasitiri chiyero, chinosanganisira mwero wekushandisa weEVA zvinhu muzvigadzirwa zveshangu.
Mitemo yekudzivirira kwezvakatipoteredza
RoHS Directive: Kurambidzwa kwekushandiswa kwezvimwe zvinhu zvine njodzi mumagetsi nemagetsi midziyo, kushandiswa kwezvinhu zveEVA mumidziyo yemagetsi kunoda kutevedzera chirevo ichi.
REACH Regulation: Mitemo yeEU pakunyoresa, kuongorora, mvumo uye kudziviswa kwemakemikari, kugadzirwa uye kushandiswa kwezvinhu zveEVA zvinoda kuenderana nezvinodiwa zveREACH Regulation.
Performance zvinodiwa uye nzira dzekuyedza
Izvo zvinodikanwa zvekuita zveEVA zvinhu zvinowanzo sanganisira zvimiro zvemuviri, zvinopisa zvivakwa, makemikari zvimiro uye kuchinjika kwezvakatipoteredza. Nzira dzekuyedza dzinosanganisira tensile bvunzo, kuomarara bvunzo, compression yekusingaperi deformation bvunzo uye kupisa kwekuongorora bvunzo, nezvimwe.
Nekutevera zviyero izvi, kugadzirwa uye kushandiswa kwemabhegi eEVA kunogona kuve nechokwadi chemhando yavo uye kuchengetedzeka uye kusangana nezvinodiwa zvemisika dzakasiyana nenzvimbo dzekushandisa. Aya mazinga haangovharidzi ekutanga ekuita kwemuviri bvunzo dzeEVA zvinhu, asi zvakare anosanganisira kuchengetedzwa kwezvakatipoteredza uye indasitiri-yakanangana nezvinodiwa, ichipa yakazara vimbiso yemhando yemabhegi eEVA.
Supplementary explanation:
Ndezvipi zvinonyanya kudiwa zveGB/T 29848-2018?
GB/T 29848-2018 ndiyo chiyero chenyika yeChina, icho chinonyanya kutaura zvinodiwa, nzira dzekuyedza, mitemo yekuongorora, kutara, kurongedza, kutakura uye kuchengetedza ethylene-vinyl acetate copolymer (EVA) mafirimu ephotovoltaic module encapsulation. Izvi zvinotevera zvimwe zvezvinonyanya kudiwa zvinotsanangurwa muchiyero:
Chikamu chekushandisa: Iyi chiyero inoshanda kune EVA mafirimu ephotovoltaic module encapsulation, uye inotsanangura akajeka EVA mafirimu uye chena EVA mafirimu.
Matemu uye tsananguro: Yakawedzera mazwi uye tsananguro yemafirimu eEVA akajeka, mafirimu machena EVA, uye density yepasi, uye akadzima mazwi uye tsananguro dzemafirimu eEVA, crosslinking degree, uye shrinkage rate.
Zvinodiwa zvinodikanwa: Yakagadziridzwa izvo zvinodikanwa, zvakakamurwa kuva pachena EVA maratidziro uye chena EVA maratidziro, uye yakawedzera density yepasi kutsauka.
Zvinodiwa zvekuonekwa: Yakawedzera zvinodikanwa zve "hapana creases uye hapana mavara"
Zvinodiwa zvekuita kwemuviri: Yakawedzera mashandiro emuviri eEVA yakajeka, yakagadziridza transmittance, svuura simba, vhoriyamu resistivity, UV kuchembera kuramba, tembiricha yakakwira uye hunyoro hwekuchembera kuita, uye kushandura simba rekuparara kwemagetsi kuita simba remagetsi, yakawedzera simba rekusimba, kurebesa. panguva yekuzorora, yekutevera kuramba indekisi, yakaoma kupisa kuchembera kuita (inosarudzika chinhu), UV yakakwira tembiricha uye yakakwira humidity kuchembera kuita (sarudzo chinhu), PCT kuchembera kuita (sarudzo chinhu)
Mamiriro ekuedzwa: Shandura "sample zvinodiwa" kuita "test mamiriro" Zvikamu", uye gadzirisa zvinodiwa
Nzira dzekuyedza: yakagadziridzwa iyo ukobvu bvunzo nzira, yakawedzera pamusoro density kutsauka nzira yekuyedza; yakagadziridza nzira yekuongorora chitarisiko; akawedzera pamusoro density kutsauka bvunzo nzira; yakadzima iyo vinyl acetate (VA) yemukati yekuyedza nzira; yakagadziridza nzira yekuyedza yekutumira; yakawedzera iyo reflectivity bvunzo nzira; yakagadziridza crosslinking degree test method; yakawedzera kusimba kwesimba uye kurebesa panguva dzekuyedza nzira; yakagadziridza nzira yekuedza simba re peel; yakagadziridza nzira yekuedza shrinkage; yakagadziridza nzira yekuedza simba remagetsi; yakawedzera iyo yekutevera kuramba index test nzira; yakagadziridza UV kuchembera kuramba bvunzo nzira; yakagadziridzwa tembiricha yepamusoro uye humidity yakanyanya kuchembera kuita bvunzo nzira; yakawedzera kuoma kwekupisa kuchembera kuita, UV yakakwira tembiricha uye yakakwira humidity kuchembera kuita, PCT kuchembera kuita bvunzo nzira
Mitemo yekuongorora: yakawedzera "zvinotsanangurwa uye kutsauka" kune zvinhu zvekuongorora fekitori; yakagadziridza mhando yekuongorora
Kurongedza, chekufambisa uye kuchengetedza: yakagadziridzwa hupenyu hwesherufu yechigadzirwa mushure mekunge bhokisi rekurongedza ravhurwa.
Iyi mitemo inovimbisa kushanda uye kunaka kweEVA firimu mu photovoltaic module encapsulation kuti isangane nezvinodiwa zve photovoltaic industry.
Ndezvipi zvinhu zvebvunzo zvinosanganisirwa muASTM D1043 standard?
Iyo ASTM D1043 yakajairwa inonyanya kusanganisira torsion kuyedzwa kwezvinhu zvepurasitiki pasi pekuchinja kwetembiricha kuti uone kusimba kwavo. Izvi zvinotevera zvimwe zvezvinhu zvekuedzwa zvinosanganisirwa muASTM D1043 standard:
Kuomarara kweTorsional: Kuedza kuomarara kwemidziyo yepurasitiki pane tembiricha dzakasiyana, iri parameter yakakosha yekuyera kugona kwechinhu kuramba torsional deformation.
Tembiricha kutsamira: Kuongorora kuti kuomarara kwekuoma kwezvinhu zvepurasitiki kunoshanduka sei nekupisa, izvo zvakakosha kuti unzwisise kushanda kwezvinhu pasi pemamiriro akasiyana ezvakatipoteredza.
Torsional creep: Kuyera torsional deformation yemidziyo yepurasitiki nekufamba kwenguva pasi penguva dzose torque yekuongorora kugadzikana kwenguva refu kwezvinhu.
Torsional kuzorora: Kuongorora torque yezvinhu zvepurasitiki pasi pekugara torsional deformation nekufamba kwenguva kuti unzwisise kushushikana kwekuzorodza hunhu hwechinhu.
Iyo ASTM D1043 yakajairwa inopa nzira yekuongorora izvi zvinongedzo zvekushanda zvemidziyo yepurasitiki kuburikidza nekuyedza torsion, iyo yakakosha zvikuru maererano nekusarudzwa kwezvinhu, dhizaini yechigadzirwa uye kutonga kwemhando. Kuburikidza nezvinhu izvi zvekuyedzwa, kuvimbika uye kusimba kwemidziyo yepurasitiki mune akasiyana maapplication anogona kuve nechokwadi.
Nguva yekutumira: Zvita-02-2024