Ukuhlolwa kwekhwalithi yeIzikhwama ze-EVAkuyinqubo yokuhlola ephelele ehlanganisa izici eziningi, okuhlanganisa izakhiwo ezibonakalayo, izici zamakhemikhali, izindinganiso zokuvikela imvelo nobunye ubukhulu. Okulandelayo ezinye izinto ezibalulekile zokuhlola nezindlela:
1. Ukuhlolwa kokusebenza komzimba
Ukuhlolwa kokusebenza komzimba kuhlola ikakhulukazi izakhiwo eziyisisekelo zezikhwama ze-EVA, okuhlanganisa:
Ukuhlolwa kokuqina: Ukuqina kwezikhwama ze-EVA kuvame ukuhlolwa ngokuhlolwa kokuqina kwe-Shore A, kanti ububanzi obujwayelekile buphakathi kuka-30-70
Amandla e-tensile nobude ngesikhathi sekhefu: Amandla aqinile nobude ngesikhathi sekhefu lezinto ezisetshenziswayo kukalwa ngokuhlolwa okuqinile ukuze kubonakale izici zemishini nokuzinza kwesikhwama se-EVA.
Ukuhlolwa kokuguquguquka okungapheli kokucindezelwa: Thola ukucindezelwa unomphela kokushintsha kwezinto ngaphansi kwengcindezi ethile ukuze uhlole ukuqina kwesikhwama se-EVA.
2. Ukuhlolwa kokusebenza okushisayo
Ukuhlolwa kokusebenza okushisayo kugxile ekusebenzeni kwezikhwama ze-EVA ngaphansi kwezimo zokushisa eziphezulu:
Iphoyinti lokuncibilika nokuzinza kwe-thermal: Iphoyinti lokuncibilika nokuzinza kokushisa kwezinto ze-EVA kuhlolwa nge-differential scanning calorimetry (DSC) kanye nokuhlaziywa kwe-thermogravimetric (TGA)
Ukumelana nokuguga kokushisa: Hlola ukumelana nokuguga kwezikhwama ze-EVA ezindaweni zokushisa okuphezulu ukuze uqinisekise ukuthi umkhiqizo usengakwazi ukugcina ukusebenza kahle ngemuva kokusetshenziswa isikhathi eside.
3. Ukuhlolwa kokusebenza kwamakhemikhali
Ukuhlolwa kokusebenza kwamakhemikhali kuhlola ukumelana kwesikhwama se-Eva nezinto zamakhemikhali:
Ukumelana nokugqwala kwamakhemikhali: kuhlola ukumelana kwesikhwama se-Eva ne-asidi, i-alkali, usawoti nezinye izinto zamakhemikhali.
Ukumelana nowoyela: kuhlola ukuzinza nokumelana nokugqwala kwesikhwama se-EVA endaweni kawoyela
4. Ukuhlolwa kokuvumelana nezimo zemvelo
Ukuhlolwa kokuguquguquka kwemvelo kuhlola ukuguquguquka kwesikhwama se-EVA ezintweni zemvelo:
Ukuhlolwa kokumelana nesimo sezulu: kuthola ukumelana kwesikhwama se-EVA emisebeni ye-ultraviolet, umswakama kanye nokushintsha kwezinga lokushisa
Ukuhlolwa kokumelana nezinga lokushisa eliphansi: kuhlola ukusebenza kwesikhwama se-Eva endaweni yokushisa ephansi
5. Ukuhlolwa okujwayelekile kwemvelo
Ukuhlolwa okujwayelekile kwemvelo kuqinisekisa ukuthi isikhwama se-EVA sihlangabezana nezidingo zemvelo futhi asiqukethe izinto eziyingozi:
I-RoHS Directive: Isiyalelo esikhawulela ukusetshenziswa kwezinto ezithile eziyingozi ezintweni zikagesi neze-elekthronikhi. Ukusetshenziswa kwezinto ze-EVA kumishini kagesi kudinga ukuthobela lo myalelo
I-REACH Regulation: Imithetho ye-EU yokubhaliswa, ukuhlola, ukugunyazwa kanye nokukhawulelwa kwamakhemikhali. Ukukhiqizwa nokusetshenziswa kwezinto ze-EVA kudinga ukuthobelana nezidingo Zomthethonqubo we-REACH
6. Ukuhlolwa kwamandla okudlulisa kanye nekhasi
Ukuhlolwa okukhethekile kwefilimu ye-EVA:
Ukuhlolwa kokudlulisa: kuhlola ukudluliswa kokukhanya kwefilimu ye-EVA, ebaluleke kakhulu ezinhlelweni ezinjengamaphaneli elanga
Ukuhlolwa kwamandla e-peel: kuhlola amandla e-peel phakathi kwefilimu ye-EVA nengilazi nezinto ze-backplane ukuqinisekisa ukwethembeka kokupakishwa
Ngalezi zinto zokuhlola ezingenhla, ikhwalithi yamaphakheji e-EVA ingahlolwa ngokugcwele ukuze kuqinisekiswe ukuthi ahlangabezana nezidingo zezimo ezihlukahlukene zohlelo lokusebenza. Lapho zikhiqiza futhi zisebenzisa izinto ze-EVA, izinkampani zidinga ngokuqinile ukuthobela izindinganiso ezifanele zamazwe ngamazwe, kazwelonke kanye nezimboni ukuqinisekisa ikhwalithi nokuphepha komkhiqizo.
Isikhathi sokuthumela: Nov-29-2024