I-Bobine ppgl iyikhoyili ye-galvalume ehlanganiswe ngombala, okuyisifinyezo sensimbi ye-galvalume ependwe kusengaphambili, isebenzisa i-alizinc njenge-substrate.Ngemuva kokwelashwa kwangaphambili (ukususwa kwamakhemikhali kanye nokwelashwa kokuguqulwa kwamakhemikhali), indawo engaphezulu embozwe ngongqimba noma izendlalelo ezimbalwa zokumboza, ngokubhaka nokuphulukiswa, bese iba yi-PPGI.
Ifilimu kapende esingayenza 10-30microns.Lapho ifilimu kapende iphakeme, iba yinde impilo yesevisi yombala.
Izinto zokudweba ziyi-PE, SMP, HDP, PVDF, ects.