Why are color coated galvanized steel coils a good choice? Understand their strong build and colorful looks.
Color coated galvanized steel coils, commonly known as PPGI (Pre-painted Galvanized Iron) or PPGL (Pre-painted Galvalume if an Al-Zn alloy coating is used), are a composite material consisting of a steel substrate, a metallic coating (typically zinc or an aluminum-zinc alloy), a chemical pre-treatment layer, a primer coat, and a topcoat of paint or polymer […]
