PPGI ni impfunyapfunyo yicyuma cyateguwe mbere, ikoresha galvanised nka substrate.Nyuma yo kwisuzumisha hejuru (kuvura imiti no kuvura imiti), ubuso bwatwikiriye igipande cyangwa ibice byinshi byo gutwikira, binyuze muguteka no gukiza.
PPGL irangi irangi rya galvalume.Ibikoresho shingiro ni galvanised / coil ya aluzinc.
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.