Galvalume Steel Coils
PPGI (Pre-painted Galvanized Steel Sheet in Coils) is pre-painted galvanized steel, also known as pre-coated steel, color coated steeletc. Using Hot Dip Galvanized Steel Coil as the substrate, PPGI ismade by first going through surface pretreatment, then the coatingof one or more layers of liquid coating by roll coating, and finally baking and cooling. The coatings used include polyester, siliconmodified polyester, high-durability, corrosion-resistance and formability. Normally final products ar