✨ Craft Your Legacy with Polytek! Achieve a robust A65 hardness for long-lasting results! Pour in just 35 minutes and watch your project come to life! Enjoy a stunning amber hue that elevates your creations! Perfect for both pros and DIY enthusiasts alike! Transform ideas into reality with precision mixing! 16 hr Demold Time 35 min Pour Time 1A:1B Mix Ratio The Polytek 75-65 Liquid Polyurethane Rubber (16lb Kit) is a versatile and user-friendly solution for creating durable molds and castings. With a precise 1A:1B mix ratio, a quick pour time of 35 minutes, and a demold time of just 16 hours, this product is perfect for both professional and hobbyist applications. The cured rubber boasts a Shore hardness of A65 and a beautiful amber color, making it ideal for a variety of creative projects.