Bobine ppgl waa gariiradda galvalume midabkeedu dahaadhay, kaas oo ah erey la soo gaabiyey birta galvalume ee hore loo diyaariyey, waxay u isticmaashaa aluzinc ahaan substrate.Ka dib daaweynta dusha sare (hoos u dhigista kiimikaad iyo daaweynta beddelka kiimikaad), dusha sare oo lagu dahaadhay lakab ama dhowr lakab oo daahan ah, iyada oo loo marayo dubista iyo daawaynta, ka dibna noqo PPGI.
Filimka rinjiga ah ee aan sameyn karno 10-30microns.Filimka rinjiga oo sarreeya, ayaa sii dheeraanaya nolosha adeegga midabka.
Qalabka rinjiyeynta waa PE, SMP, HDP, PVDF, iwm.