Basic Coil:galvanized steel coil/galvalume steel coil
PPGIPPGI(prepainted galvanized steel coil/galvalume steel coil)
PPGI is pre-painted galvanized steel
also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate.
PPGL is based on aluminum-zinc plated substrate and then painted. The surface coating of aluminized zinc sheet is composed of 55% aluminum, 43.5% zinc and a small amount of other elements.
