A na-akpọkwa eriri igwe nchara ppgi a na-esere ya nke ọma galvanized igwe igwe (obere maka “ppgi coil”), ọ na-eji galvanized dị ka mkpụrụ.Mgbe elu pretreatment (chemical degenreasing na kemịkalụ mgbanwe ọgwụgwọ), isi awọ ppgi ígwè eriri igwe elu mkpuchi na a oyi akwa ma ọ bụ ọtụtụ n'ígwé nke mkpuchi, site na mmiri na-agwọ ọrịa, wee ghọọ PPGI.Na mgbakwunye na nchebe nke zinc oyi akwa, na organic mkpuchi na oyi akwa zinc na-ekere òkè n'ikpuchi na ichebe eriri igwe ejiri agba agba, na-egbochi eriri igwe site na nchara, na ndụ ọrụ ya dị ihe dịka 1.5 ugboro karịa nke eriri igwe galvanized.
Ihe nkiri agba nke anyị nwere ike ime 10-30microns.Ihe nkiri agba dị elu, ogologo ndụ ọrụ nke agba.
Ihe eserese bụ PE, SMP, HDP, PVDF, ects.
Pupolar agba nke ppgi ígwè eriri igwe: mmanya uhie (ral3005), ire ọkụ na-acha ọbara ọbara (ral3000), Ruby red (RAL3003), mgbaama uhie (RAL 3001), Coral red (RAL 3016), Traffic red (RAL 3020)