Enhance your painting projects with Rosner DuoCryl Hardener, available in a convenient 2.5-liter size. This high-quality hardener is designed to work seamlessly with DuoCryl paints, ensuring a durable, long-lasting finish. Perfect for both professional and DIY applications, it provides excellent adhesion and resistance to wear and tear. Whether you're working on automotive finishes, furniture, or crafts, this hardener will help you achieve a smooth, glossy appearance that stands the test of time. Elevate your creativity and achieve professional results with Rosner DuoCryl Hardener.