Icyuma coil ppgl ni impfunyapfunyo yicyuma cya galvalume cyateguwe, ikoresha ibyuma bya aluminiyumu yubatswe nka substrate.Nyuma yo kwisuzumisha hejuru (kuvura imiti no kuvura imiti), ubuso bwatwikirijwe igipande cyangwa ibice byinshi byo gutwikira, binyuze muguteka no gukiza, hanyuma bigahinduka PPGL.
Filime irangi dushobora gukora 10-30microns.Hejuru ya firime yo gusiga irangi, igihe kirekire cyubuzima bwibara.
Ibikoresho byo gushushanya ni PE, SMP, HDP, PVDF, ects.