... prepainted galvanized steel coils 1.Operate Standard:AISI,DIN,GB,JIS 2.Grade:PPGI,CCGI,SPCC 3.Thickness:0.16mm-0.80mm PPGI prepainted galvanized steel ... coilsColor coated steel coil(sheet), i.e. PPGI, also called pre painted steel coils(sheets), are made of galvanized steel coils ... bands and 4 circumferential bands in steel, galvanized metal fluted rings on inner and outer ...