Description
Poly 74-41 Liquid Rubber is a two-part, liquid polyurethane system that cures (RTV) to a Shore A40 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: A40
Cure Color: Varies
Mix Viscosity: 200cP
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.
Poly 74-Series polyurethane liquid mold rubbers are soft to mid-range hardness, high-performance, room-temperature curing systems. They offer superior flexibility and toughness allowing durable molds to be made from relatively simple to highly detailed, complex models. The 74-Series liquid mold rubbers are supplied as pourable liquids but can be easily thickened to make brush-on molds.
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