Conventionally developed plastics have been improved even lighter, easily designed materials which lead metallic or wooden materials to be replaced over its advantage of easily mass produced. However, metal has drastically developing its molding technic recently, and its lightness, hardness, conductivity, and recyclable feature leading some of plastics to be replaced by it. RYLCON B is an outstanding 1K curable hard coat paint for metal which developed to meet the trend that can perform high hardness, and excellent in scratch resistance and abrasion resistance.