Shin akwai ma'auni na ƙasa ko na duniya don jakar EVAgwajin inganci?
Jakunkuna na EVA, wato, jakunkuna da aka yi da ethylene-vinyl acetate copolymer (EVA), ana amfani da su sosai a fagage daban-daban saboda sauƙin su, darewarsu da kyakkyawan aikin kwantar da hankali. Don ingancin gwajin jakunkuna na EVA, hakika akwai jerin ƙa'idodin ƙasa da ƙasa don tabbatar da aminci da amincin samfuran. Anan ga wasu mahimman ma'aunin gwajin ingancin jakar EVA:
Matsayin Duniya
TS EN ISO 1629-1 daidaitaccen hanyar gwaji don kayan EVA wanda Hukumar Kula da Ma'auni ta Duniya (ISO) ta haɓaka, wanda ke rufe gwaje-gwajen kayan zahiri na kayan EVA, kamar ƙarfin ƙarfi, haɓakawa a lokacin hutu, da sauransu.
ASTM D1043: Matsayin kayan EVA wanda Cibiyar Gwaji da Kayayyakin Amurka (ASTM) ta haɓaka, wanda ke rufe hanyoyin gwajin dukiya na kayan EVA.
Matsayin ƙasa
GB.
GB/T 1200: Wannan hanya ce ta gwaji mai yawa don kayan EVA a cikin ma'auni na kasar Sin
GB / T 29848-2018: Ƙayyadaddun buƙatun, hanyoyin gwaji, ka'idodin dubawa, yin alama, marufi, sufuri da adana fina-finai na ethylene-vinyl acetate copolymer (EVA) don ɗaukar hoto na hotovoltaic
GB/T 27934.2-2011 Tsarin sarrafawa da hanyoyin ganowa don laminating bugu takarda Kashi na 2: Ethylene-vinyl acetate copolymer (EVA) zafi mai narkewa pre-rufin fim
GB/T 31984-2015: Hanyar gwaji don abun ciki na vinyl acetate a cikin ethylene-vinyl acetate copolymer don samfurori na photovoltaic Thermogravimetric analysis (TGA)
Matsayin masana'antu
HG / T 2877: Matsayin masana'antar sinadarai, wanda ya haɗa da tsarin samarwa da buƙatun ingancin samfur na kayan Eva
QB / T 2309: Matsayin masana'antar haske, wanda ya haɗa da ma'aunin aikace-aikacen Eva kayan a cikin kayan takalma
Matsayin kare muhalli
Umarnin RoHS: Ƙuntata amfani da wasu abubuwa masu haɗari a cikin kayan lantarki da lantarki, aikace-aikacen kayan EVA a cikin kayan lantarki yana buƙatar bin wannan umarnin.
Dokokin ISAR: Dokokin EU akan rajista, kimantawa, izini da ƙuntatawa na sinadarai, samarwa da amfani da kayan EVA suna buƙatar bin ka'idodin Ka'idar REACH
Bukatun aiki da hanyoyin gwaji
Abubuwan buƙatun aikin EVA yawanci sun haɗa da kaddarorin jiki, kaddarorin zafi, kaddarorin sinadarai da daidaitawar muhalli. Hanyoyin gwajin sun haɗa da gwajin juzu'i, gwajin taurin ƙarfi, gwajin naƙasa na dindindin da gwajin bincike na thermal, da sauransu.
Ta bin waɗannan ka'idoji, samarwa da amfani da jakunkuna na EVA na iya tabbatar da ingancin su da amincin su da biyan bukatun kasuwanni daban-daban da wuraren aikace-aikacen. Waɗannan ƙa'idodin ba wai kawai sun rufe ainihin gwajin aikin zahiri na kayan EVA ba, har ma sun haɗa da kariyar muhalli da takamaiman buƙatun masana'antu, suna ba da cikakkiyar garanti don ingancin jakunkuna na EVA.
Karin bayani:
Menene ainihin bukatun GB/T 29848-2018?
GB / T 29848-2018 shine ma'auni na kasar Sin, wanda ya fi dacewa da bukatun, hanyoyin gwaji, dokokin dubawa, yin alama, marufi, sufuri da adana fina-finai na ethylene-vinyl acetate copolymer (EVA) don ɗaukar hoto na hoto. Wadannan su ne wasu manyan bukatu da aka kayyade a cikin ma'auni:
Iyakar aikace-aikacen: Wannan ma'auni ya shafi fina-finai na EVA don ɗaukar hoto na hoto, kuma yana ƙayyadaddun fina-finai na EVA masu haske da fararen fina-finan EVA.
Sharuɗɗa da ma'anoni: Ƙara sharuɗɗa da ma'anoni na fina-finai na EVA masu gaskiya, farar fina-finan EVA, da yawa na saman, kuma an share sharuɗɗa da ma'anar fina-finan EVA, digiri na haɗin gwiwa, da ƙimar raguwa.
Abubuwan buƙatun ƙayyadaddun bayanai: An canza ƙayyadaddun buƙatun, an raba su zuwa ƙayyadaddun ƙayyadaddun EVA masu kama da fari da ƙayyadaddun EVA, da ƙarin karkatar da girman saman ƙasa.
Bukatun bayyanar: An ƙara buƙatun "babu creases kuma babu tabo"
Bukatun aikin jiki: Ƙara abubuwan buƙatun aikin jiki na EVA bayyananne, gyaggyara watsawa, ƙarfin kwasfa, ƙarfin juriya, juriya na tsufa na UV, babban zafin jiki da aikin tsufa mai zafi, kuma ya canza ƙarfin rushewar wutar lantarki zuwa ƙarfin lantarki, ƙara ƙarfin ƙarfi, haɓakawa. a break, tracking juriya index, bushe zafi tsufa yi (abu na zaɓi), UV high zafin jiki da kuma high zafi aikin tsufa (abu na zaɓi), PCT tsufa yi (abu na zaɓi)
Sharuɗɗan gwaji: Canja "samfuran buƙatun" zuwa "Sharuɗɗan gwaji", kuma an gyara abubuwan da suka dace
Hanyoyin gwaji: gyaggyara hanyar gwajin kauri, ƙara hanyar gwajin juzu'i mai yawa; gyara hanyar duba kamanni; ya kara da hanyar gwajin juzu'i mai yawa; share hanyar gwajin abun ciki na vinyl acetate (VA); canza hanyar gwajin watsawa; ya kara da hanyar gwajin tunani; canza hanyar gwajin digiri na crosslinking; ya kara ƙarfin ƙarfin ƙarfi da haɓakawa a hanyoyin gwajin hutu; canza hanyar gwajin ƙarfin kwasfa; canza hanyar gwajin raguwa; gyara hanyar gwajin ƙarfin lantarki; ya kara da hanyar gwajin juriya na bin diddigi; canza hanyar gwajin juriya ta UV; gyaggyara babban zafin jiki da babban zafi hanyar gwajin aikin aikin tsufa; ya kara da aikin tsufa na zafi mai bushe, babban zafin jiki na UV da aikin tsufa mai zafi, hanyoyin gwajin aikin tsufa na PCT
Dokokin dubawa: ƙara "ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai da ƙetare" zuwa abubuwan binciken masana'anta; gyara nau'in dubawa
Marufi, sufuri da ajiya: gyara rayuwar shiryayyen samfurin bayan an buɗe akwatin marufi
Wadannan ka'idoji suna tabbatar da aiki da ingancin fim din EVA a cikin ƙirar ƙirar hoto don saduwa da bukatun masana'antar hoto.
Wadanne kayan gwaji ne aka haɗa a cikin ma'aunin ASTM D1043?
Ma'auni na ASTM D1043 ya ƙunshi gwajin torsion na kayan filastik ƙarƙashin canje-canjen zafin jiki don tantance halayen su. Waɗannan su ne wasu abubuwan gwajin da aka haɗa cikin ma'aunin ASTM D1043:
Taurin kai: Gwada taurin kai na kayan filastik a yanayin zafi daban-daban, wanda shine muhimmin ma'auni don auna ƙarfin kayan don tsayayya da nakasar torsional.
Dogaro da yanayin zafi: Ƙimar yadda ƙaƙƙarfan ƙaƙƙarfan kayan filastik ke canzawa tare da zafin jiki, wanda ke da mahimmanci don fahimtar aikin kayan a ƙarƙashin yanayin muhalli daban-daban.
Torsional creep: Aunawa nakasawa na kayan filastik akan lokaci a ƙarƙashin juzu'i na yau da kullun don kimanta tsayin daka na kayan.
shakatawa na Torsional: Yin kimanta karfin kayan filastik a ƙarƙashin nakasar torsional akai-akai akan lokaci don fahimtar halayen shakatawa na kayan.
Ma'auni na ASTM D1043 yana ba da hanya don kimanta waɗannan alamun aikin kayan aikin filastik ta hanyar gwajin torsion, wanda ke da matukar mahimmanci dangane da zaɓin kayan, ƙirar samfur da sarrafa inganci. Ta hanyar waɗannan abubuwan gwaji, ana iya tabbatar da aminci da dorewa na kayan filastik a cikin aikace-aikace daban-daban.
Lokacin aikawa: Dec-02-2024