This Fast Hardener is specifically formulated for use with BSE-CC50 Production clearcoat, delivering professional-grade results for automotive refinishing projects. The 2.5 liter container provides ample coverage for 2-4 panel jobs, making it ideal for medium-sized repair work. Designed with a 2:1 mix ratio, this hardener creates a brilliant high-gloss finish that combines visual appeal with exceptional durability. The acrylic-based liquid formula is engineered for both interior and exterior automotive surfaces, ensuring versatile application across various refinishing needs. Available hardener options include BSE-CC52 for normal conditions and BSE-CC53 for slow-drying environments, allowing you to adapt to different spray booth temperatures and climate conditions. This Italian-manufactured product comes in a clear formulation and contains 84.54 fluid ounces, providing reliable performance for professional body shops and automotive refinishing applications.