Wani nau'in fim mai narke mai zafi yana da ƙarfin haɗin gwiwa?
Ana gane mannen narke mai zafi azaman adhesives masu dacewa da muhalli. Tabbas, samfuran fina-finai na narke mai zafi da aka yi daga mannen narke mai zafi shima yana da alaƙa da muhalli. Wannan shine dalilin da ya sa fina-finai masu zafi na narkewa suna kara samun kulawa a yau.
Za a iya raba fim ɗin manne mai zafi mai zafi zuwa nau'ikan nau'ikan nau'ikan bisa ga kayan albarkatun ƙasa. Mafi na kowa waɗanda aka fi sani da EVA zafi narke m fim, TPU zafi narke m fim, PA zafi narkewa m film, PES zafi narkewa m film, da PO zafi narke m fim. Nau'o'in, sunayen sunadarai masu dacewa sune ethylene-vinyl acetate polymer, polyurethane thermoplastic, polyamide, polyester, polyolefin. Wadannan nau'ikan poluzuwar kwayoyin da suka yi suna da halaye na nasu, saboda haka aikin mai zafi na kayan fim ɗin shima ya bambanta, amma a matsayin samfurin mai amfani na iya zama ƙarfin ƙarfin. Wani nau'in samfurin fim ɗin narke mai zafi yana da mafi kyawun ƙarfin mannewa?
A gaskiya ma, babu wata hanya ta ba da cikakkiyar amsa ga tambayar wacce ƙarfin haɗin gwiwa ya fi kyau. Saboda nau'ikan adhesives daban-daban suna da halayen haɗin kai daban-daban don abubuwa daban-daban, ƙarfin haɗin gwiwa da aka nuna shima ya bambanta. Misali, tasirin haɗin gwiwa na fim ɗin zafi mai narke mai zafi na PES zuwa ƙarfe gabaɗaya ya fi na TPU zafi narke m fim, amma wani nau'in fim ɗin zafi narke mai zafi na TPU na iya zama mafi kyau fiye da fim ɗin zafi narke PES don mannewa zuwa PVC. robobi. Sabili da haka, tambayar wane abu yana da mafi kyawun ƙarfin mannewa ba takamaiman ba ne kuma yana da wuyar amsawa. Gabaɗaya, ana iya ba da takamaiman nau'in abu kafin a iya tantance shi bisa ga gogewa.
Tabbas, yawanci yana da wahala a yanke hukunci daidai wane nau'in fim ɗin mai narkewa mai zafi shine mafi kyawun haɗin gwiwa bayan an ba da takamaiman nau'in kayan abu. Za mu iya yanke hukunci na gaba ɗaya kawai bisa ga mafi yawan yanayi da gogewa. Tabbatarwa na ƙarshe har yanzu yana buƙatar gwaje-gwajen gwaji don tabbatar da cewa shine mafi daidai. Domin ko da kayan ya kasance iri ɗaya ne, bambance-bambancen da ke cikin tarkace, tashin hankali da sauran abubuwa daga ƙarshe za su yi tasiri ga haɗin kai na kayan saboda bambancin tsari.
Lokacin aikawa: Agusta-25-2021