Epoxy Primer is a protective base coating applied to metal and structural surfaces to provide strong adhesion and corrosion resistance before the application of intermediate and topcoat paints. It is formulated with epoxy resins and hardeners as per coating standards, creating a durable barrier that protects steel from moisture, chemicals, and environmental exposure. Epoxy primers are identified by their composition, application thickness, and performance specifications, with selection based on surface preparation and service conditions.