color coated steel coil,Thickness of coil: 0.18 to 1.50mm,preapinted galvanized steel,RAL color,20 um for the color coating Pre-Painted Hot Dipped Galvanized Steel Product Hot Dipped Galvanizing:PPGI is pre-painted , also known as pre-coated steel, coil coated steel, color coated steel etc. A galvanised steel sheet in form is cleaned, pretreated, applied with various layers of organic coatings ...