Putty: Trowelable 100 % solid urethane compound. Easy to mix and cures to tough, medium-hard rubber for a broad range of lining and protection applications. Withstands continuous service temperatures up to 180oF (dry environments) and 120oF (wet environments). Bonds to metal, concrete, rubber, wood and fiberglass. Liquid: Castable, non-shrinking, medium-viscosity urethane compound for making rugged, flexible molds, forming dies, cast parts and non-scratching holding fixtures, as well as abrasion and noise-resistant linings and encapsulating parts. Mixes and pours easily and cures at room temperature to a semi-rigid rubber material. - Mixes easily and trowels on smoothly., - Cures to a tough medium-hard rubber (Shore A 87)., - Service temperatures to 180°F dry / 120°F wet., - Flexane Primers are recommended for maximum adhesion to metal, rubber, and concrete surfaces.