Polytek FormRub60 Polyurethane Liquid Mold Rubber


FormRub 60 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to an off-white/tan Shore A60 rubber. This is a pourable rubber, but it can be easily thickened with PolyFiber II Thickener for brush-on application.

Mix Ratio: 1A/1B by weight
Shore Hardness: A60
Cured Color: Opaque Off White to Tan
Mixed Viscosity: 2000 cP

The color of polyurethane Part Bs may change in color from batch to batch or may darken with age, but product performance is not affected. For additional physical property specifications, refer to the Physical Properties Bulletin.

FormRub Series liquid polyurethane rubbers are designed to make high-performance molds that stand up to the rigors of high-production casting and forming of concrete. In addition to concrete, FormRub molds are often used to cast plaster and wax. With use of an appropriate release agent, some resins can also be cast in FormRub molds.

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