Aquaseal is a unique urethane rubber compound which provides superior permanent adhesion, wear resistance, flexibility and waterproofing. Even holes the size of a quarter can be repaired without patches or shrinkage. Aquaseal cures to a flexible rubber product. One application provides a permanent and flexible repair. Recommended for and supplied with dry suit seal replacement kits. Cure time: 10-14 hours. 3/4 fl. oz. tube.