Polytek 75-65 Polyurethane Liquid Mold Rubber


Poly 75-65 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to an amber, Shore A65 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: A65
Cured Color: Amber
Mixed Viscosity: 3000 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.

Polytek® two-part, room temperature curing mold rubbers are used to create custom flexible rubber inserts or form liners that are placed into a rigid form. These highly detailed liners are often used to cast decorative concrete panels, wall blocks, fencing, retaining walls and sound barriers. Liners can be easily removed from the form for demolding or replaced when a change in texture is desired. Polytek® polyurethane rubbers can meet the demands of any size liner.

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