Hakanan ana kiran sunan coil ɗin ppgi mai launi wanda aka riga aka yi masa fentin karfe (gajeren "ppgi coil"), yana amfani da galvanized azaman substrate.Bayan surface pretreatment (sinadaran degenreasing da sinadaran hira magani), da surface mai rufi da wani Layer ko da dama yadudduka na shafi, ta hanyar yin burodi da kuma curing, sa'an nan ya zama PPGI.In Bugu da kari ga kariyar tutiya Layer, da Organic shafi a kan tutiya Layer. yana taka rawa wajen rufewa da kuma kare launin karfen da aka lullube shi, tare da hana kwandon karfe daga tsatsa, kuma rayuwar sabis ɗin ta ya fi tsayin dala 1.5 fiye da na nadin ƙarfe na galvanized.
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.
Pupolar launi na prepainted karfe nada: ruwan inabi ja (ral3005), harshen wuta ja (ral3000), Ruby ja (RAL3003), siginar ja (RAL 3001), Coral ja (RAL 3016), Traffic ja (RAL 3020)