1. Ukuqaphela - Amaphaneli ezinto eziyinhlanganisela ye-Aluminium awanawo ama-ripples, amabhamuza, imihuzuko futhi abushelelezi ebusweni ayikhwalithi enhle.
2. Ukukala - Ukulinganisa i-aluminium composite material (cm) uma ihlangabezana nezidingo zamazwe ngamazwe, nephaneli yodonga lwangaphakathi ibe ngu-3mm, iphaneli yodonga lwangaphandle ibe ngu-4mm noma ngaphezulu, kanye nogqinsi lwesikhumba se-aluminium ngo-0.5mm.
3. Ukugoba - Uma iphuka kalula akuwona umnyombo we-polyethylene noma owenziwe nge-polyethylene core.

4. Ukushiswa - Umnyombo wangempela we-polyethylene ungashiswa ube umlotha. Kodwa-ke, i-tere izoba ukungcola okusele kwe-poltethylene core fake.
5.I-Slotting - Uma usika ama-grooves, hlola ukuthi ingaphezulu liphukile yini.
6.Ukusabela kwamakhemikhali - I-Butanone ingasetshenziselwa ukuhlola ukunamathela kwe-fluorocarbon kuphaneli yodonga yangaphandle. Beka i-xylene ngaphezulu, ngemva kwemizuzu emi-5, sula futhi uhlole ukuthi iyancibilika yini.
7. Ukucela - Cela umphakeli ukuthi anikeze umbiko wokuhlolwa kwekhwalithi yomkhiqizi, incwadi yesiqinisekiso, isitifiketi sekhwalithi samazwe ngamazwe se-ISO-9002 njll. Labo abacubungula lezi zitifiketi bangabahlinzeki abaqeqeshiwe bephaneli ye-aluminium eyinhlanganisela. Bangaqinisekisa ikhwalithi yamaphaneli.
