ReoFlex liquid polyurethane rubbers offer a convenient one-to-one by volume mix ratio and are used for a variety of applications, including making moulds for architectural elements, rubber props and prototypes. Vacuum degassing is not necessary and ReoFlex rubbers cure with negligible shrinkage to a durable rubber that will meet the stringent demands of production casting of wax, plasters and other materials.
ReoFlex 20
Shore A 20 hardness polyurethane rubber. 1A:1B mix ratio by volume, 30 minute pot life and 16 hour cure time.