PPGs white High-Build Epoxy Catalyst is tailored for use with metal substrates including steel, aluminum, and galvanized surfaces, and supports high-build application with fewer coats. It enhances the mechanical and chemical resistance properties of the epoxy system, making it suitable for environments with high moisture, abrasion, or chemical exposure. Proper mixing ratios and application conditions are essential for optimal performance, and the catalyst plays a key role in achieving the durability and protective qualities expected of a high-performance epoxy coating system.