Enwere ụkpụrụ mba ma ọ bụ mba ụwa maka akpa Evaàgwà ule?
A na-eji akpa EVA eme ihe, ya bụ, akpa ethylene-vinyl acetate copolymer (EVA), nke a na-ejikarị eme ihe n'akụkụ dị iche iche n'ihi ịdị mfe ha, ịdịte aka na ezigbo arụmọrụ. Maka ule dị mma nke akpa EVA, e nwere n'ezie usoro nke mba na nke mba ụwa iji hụ na nchekwa na ntụkwasị obi nke ngwaahịa. Nke a bụ ụfọdụ isi ụkpụrụ nnwale ogo akpa EVA:
Ụkpụrụ mba ụwa
TS EN ISO 1629-1: Nke a bụ ọkọlọtọ usoro nnwale maka ihe EVA nke International Organisation for Standardization (ISO) mepụtara, na-ekpuchi nnwale anụ ahụ nke ihe EVA, dị ka ike tensile, elongation na ezumike, wdg.
ASTM D1043: ọkọlọtọ ihe EVA nke American Society for Testing and Materials (ASTM) mepụtara, na-ekpuchi ụzọ nnwale anụ ahụ nke ihe EVA.
Ụkpụrụ mba
GB/T 2000: Ụzọ nnwale maka ihe EVA n'ụkpụrụ mba China, gụnyere nnwale anụ ahụ nke ihe EVA.
GB/T 1200: Nke a bụ usoro nnwale njupụta maka ihe EVA na ụkpụrụ mba China.
GB / T 29848-2018: Na-akọwapụta ihe achọrọ, ụzọ nyocha, iwu nyocha, akara, nkwakọ ngwaahịa, njem na nchekwa nke ethylene-vinyl acetate copolymer (EVA) ihe nkiri maka fotovoltaic modul encapsulation
GB/T 27934.2-2011: Usoro njikwa na nchọpụta ụzọ maka laminating akwụkwọ e biri ebi Nkebi 2: Ethylene-vinyl acetate copolymer (EVA) na-ekpo ọkụ gbazee nrapado tupu mkpuchi ihe nkiri.
GB/T 31984-2015: Usoro nnwale maka ọdịnaya acetate vinyl na ethylene-vinyl acetate copolymer maka modul fotovoltaic Thermogravimetric analysis (TGA)
Ụkpụrụ ụlọ ọrụ
HG / T 2877: ọkọlọtọ ụlọ ọrụ kemịkalụ, gụnyere usoro mmepụta yana ihe achọrọ nke ihe EVA
QB / T 2309: Light ụlọ ọrụ ọkọlọtọ, gụnyere ngwa ngwa nke EVA ihe na akpụkpọ ụkwụ ihe.
Ụkpụrụ nchebe gburugburu ebe obibi
Ntuziaka RoHS: Mmachibido iji ụfọdụ ihe dị ize ndụ na ngwa eletriki na eletrọnịkị, itinye ihe EVA n'ime ngwa eletrọnịkị kwesịrị ịgbaso ntuziaka a.
Iwu REACH: Iwu EU na ndebanye aha, nyocha, ikike na mmachi kemịkalụ, mmepụta na ojiji nke ihe EVA kwesịrị ịgbaso ihe achọrọ nke Iwu REACH
Arụmọrụ chọrọ na ule ụzọ
Ihe ndị chọrọ ịrụ ọrụ nke ihe EVA na-agụnyekarị akụrụngwa anụ ahụ, akụrụngwa ọkụ, akụrụngwa kemịkalụ na ngbanwe gburugburu ebe obibi. Ụzọ ule gụnyere ule tensile, ule ike ike, mkpakọ na-adịgide adịgide ule nrụrụ na thermal analysis test, wdg.
Site n'ịgbaso ụkpụrụ ndị a, mmepụta na iji akpa EVA nwere ike hụ na ha dị mma na nchekwa ma gboo mkpa nke ahịa dị iche iche na mpaghara ngwa. Ụkpụrụ ndị a abụghị nanị na-ekpuchi ule arụmọrụ anụ ahụ bụ isi nke ihe EVA, kamakwa gụnyere nchedo gburugburu ebe obibi na ihe ndị a chọrọ maka ụlọ ọrụ, na-enye nkwa zuru oke maka àgwà nke akpa EVA.
Nkọwa mgbakwunye:
Gịnị bụ isi chọrọ nke GB/T 29848-2018?
GB / T 29848-2018 bụ ọkọlọtọ mba China, nke na-akọwapụta ihe achọrọ, ụzọ nnwale, iwu nyocha, akara, nkwakọ ngwaahịa, njem na nchekwa nke ethylene-vinyl acetate copolymer (EVA) ihe nkiri maka fotovoltaic modul encapsulation. Ndị a bụ ụfọdụ isi ihe achọrọ akọwapụtara na ọkọlọtọ:
Oke ngwa: Standardkpụrụ a na-emetụta ihe nkiri EVA maka fotovoltaic modul encapsulation, wee kọwapụta ihe nkiri EVA transperent na ihe nkiri EVA ọcha.
Usoro na nkọwa: agbakwunyere usoro na nkọwapụta nke ihe nkiri EVA transperent, ihe nkiri EVA ọcha, na njupụta elu, wee hichapụ usoro na nkọwapụta nke ihe nkiri EVA, ogo ịgafeta, na ọnụego mbelata.
Ihe achọrọ nkọwapụta: Gbanwee nkọwapụta ihe achọrọ, kewara n'ime nkọwapụta EVA na-acha ọcha yana nkọwapụta EVA ọcha, yana mgbakwụnye njupụta elu.
Achọrọ mpụta: agbakwunyere ihe achọrọ nke "enweghị creases na enweghị ntụpọ"
Ihe chọrọ ịrụ ọrụ anụ ahụ: agbakwunyere ihe arụmọrụ anụ ahụ chọrọ nke EVA transperent, gbanwee nnyefe, ike peel, resistivity olu, mgbochi ịka nká nke UV, oke okpomọkụ na arụmọrụ ịka nká dị elu, wee gbanwee ike voltaji na-agbaji na ike eletrik, gbakwunyere ike tensile, elongation. na nkwụsịtụ, nsochi nguzogide index, arụmọrụ ịka nká okpomọkụ (ihe nhọrọ), UV okpomọkụ dị elu na arụmọrụ ịka nká dị elu (ihe nhọrọ), PCT ịka nká (ihe nhọrọ)
Ọnọdụ nnwale: Gbanwee “ihe nlele chọrọ” ka ọ bụrụ akụkụ “ọnọdụ nnwale”, wee gbanwee ihe achọrọ
Ụzọ ule: gbanwee usoro ule ọkpụrụkpụ, gbakwunyere usoro nyocha nke njupụta elu; gbanwee usoro nyocha ọdịdị ahụ; gbakwunyere usoro nyocha nke njupụta elu; ehichapụrụ usoro nyocha ọdịnaya vinyl acetate (VA); gbanwee usoro ule nnyefe; gbakwunyere usoro nyocha nke reflectivity; gbanwee usoro ule ogo crosslinking; gbakwunyere ike nkwụsị na elongation na ụzọ ule nkwụsịtụ; megharịa usoro ule ike bee; gbanwee usoro ule shrinkage; gbanwee usoro ule ike eletrik; gbakwunyere usoro nyocha index iguzogide nsochi; gbanwee usoro ule nguzogide ịka nká UV; gbanwee usoro ule arụmọrụ dị elu na oke iru mmiri dị elu; gbakwunyere na arụmọrụ ịka nká okpomọkụ, UV elu okpomọkụ na elu iru mmiri arụmọrụ, PCT ịka nká ọrụ ule ụzọ
Iwu nyocha: agbakwunyere "nkọwa na ntụgharị" na ihe nyocha ụlọ ọrụ; gbanwetụrụ ụdị nyocha
Nkwakọ ngwaahịa, njem na nchekwa: gbanwetụrụ ndụ shelf nke ngwaahịa mgbe emepechara igbe nkwakọ ngwaahịa
Iwu ndị a na-eme ka arụmọrụ na ịdị mma nke ihe nkiri EVA dị na fotovoltaic modul encapsulation iji gboo mkpa nke ụlọ ọrụ fotovoltaic.
Kedu ihe ule agụnyere na ọkọlọtọ ASTM D1043?
Standardkpụrụ ASTM D1043 gụnyere tumadi nnwale torsion nke ihe rọba n'okpuru mgbanwe okpomọkụ iji chọpụta njirimara siri ike ha. Ndị a bụ ụfọdụ n'ime ihe nlele agụnyere na ọkọlọtọ ASTM D1043:
Isi ike nke Torsional: Nnwale ike ike nke ihe rọba na okpomọkụ dị iche iche, nke bụ ihe dị mkpa maka ịlele ike ihe nwere ike iguzogide nrụrụ torsional.
Ndabere okpomọkụ: Ịtụle otú ike ike nke plastik si agbanwe na okpomọkụ, nke dị oké mkpa iji ghọta arụmọrụ nke ihe n'okpuru ọnọdụ gburugburu ebe obibi dị iche iche.
Torsional creep: Na-atụ nrụrụ torsional nke ihe plastik ka oge na-aga n'okpuru torque mgbe niile iji nyochaa nkwụsi ike ogologo oge nke ihe ahụ.
Ntụrụndụ nke Torsional: Ịtụle ike nke ihe rọba n'okpuru nrụrụ na-agbanwe agbanwe ka oge na-aga iji ghọta njirimara ntụrụndụ nke ihe ahụ.
Standardkpụrụ ASTM D1043 na-enye usoro iji nyochaa njirimara arụmọrụ ndị a nke ihe rọba site na nnwale torsion, nke dị oke mkpa n'ihe gbasara nhọrọ ihe, imepụta ngwaahịa na njikwa mma. Site na ihe nlele ndị a, a pụrụ ijide n'aka na ntụkwasị obi na ịdịte aka nke ihe plastik na ngwa dị iche iche.
Oge nzipu: Dec-02-2024