Bobine ppgl ni ibara ryometse kuri galvalume coil, ni incamake yicyuma cya galvalume cyateguwe, ikoresha aluzinc nka substrate.Nyuma yo kwisuzumisha hejuru (kuvura imiti no kuvura imiti), ubuso bwatwikiriwe nigice cyangwa ibice byinshi byo gutwikira, binyuze muguteka no gukira, hanyuma bigahinduka PPGI.
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.