Bobine ppgl launi ne mai rufi galvalume coil , wanda shine acronym don farantin galvalume karfe, yana amfani da aluzinc azaman substrate.Bayan saman pretreatment (sunadarai degenreasing da sinadaran hira magani), da surface mai rufi da Layer ko dama yadudduka na shafi, ta hanyar yin burodi da kuma curing, sa'an nan ya zama PPGI.
Fim ɗin fenti wanda za mu iya yin 10-30microns.Mafi girman fim ɗin fenti, tsawon rayuwar sabis na launi.
Kayan zanen sune PE, SMP, HDP, PVDF, ects.