Polytek FormRub 35 Polyurethane Liquid Mold Rubber
FormRub 35 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a turquoise, Shore A35 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: A35
Cured Color: Turquoise
Mixed Viscosity: 600 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 Rubbers consist of two parts (A and B), which, after mixing, cure at room temperature to flexible rubber. Molds made with FormRub are excellent for casting concrete, plaster and wax. In addition, when coated with a proper release agent, FormRub molds can be used to cast various resins and foams. FormRub Liquid Rubbers are formulated for good economy with high performance and durability.