Custom Shop Urethane Fast Hardener - Quart

Custom Shop Urethane Fast Hardener - Quart is a premium-grade catalyst designed to accelerate the curing process of urethane-based automotive coatings. Engineered for professional results, this fast-acting hardener is ideal for use in controlled environments where shorter drying times are critical without compromising the durability or gloss of the finish. Formulated for compatibility with a wide range of Custom Shop urethane products—including clear coats, primers, and topcoats—this hardener ensures optimal cross-linking and chemical resistance. It promotes a high-build, high-gloss finish while significantly reducing dust-free, tack-free, and dry-to-sand times, making it perfect for high-efficiency collision repair centers, restoration projects, and custom paint jobs alike. Whether you're working on automotive refinishing, motorcycle customization, industrial equipment, or marine applications, Custom Shop Urethane Fast Hardener delivers consistent, professional results. It mixes easily with urethane coatings at recommended ratios and maintains excellent flow and leveling for a smooth, glass-like appearance. This fast hardener is particularly effective in spray booth environments with temperatures between 65°F and 80°F, where quick turnaround times are desired. It offers superior hardness and resistance to solvents, UV rays, and weathering, extending the life and look of your paintwork. Its reduced recoat window and faster curing also help minimize potential defects caused by dust or overspray. Packaged in a convenient quart-sized can, Custom Shop Urethane Fast Hardener is perfect for small to mid-sized jobs and spot repairs. With its easy-to-use formulation and outstanding performance, it’s the go-to solution for painters who demand speed, quality, and durability in every coat.

• Urethane Fast Hardener
• 1-Quart