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Double Bond | Griffith Polymers, Inc. | Tualatin, OR

Double-Bond Polyurethane


Double-Bond Polyurethane is a unique material that offers the elasticity of rubber combined with the toughness and durability of metal. Because Double-Bond Polyurethane is available in a very broad hardness range (from eraser soft to bowling ball hard), it allows an engineer to replace rubber, plastic and metal with the ultimate in abrasion-resistance and physical properties.

Double-Bond Polyurethane can reduce plant maintenance and OEM (Original Equipment Manufacturers) product cost. Many applications using this ultra-tough material have cut down-time, maintenance time and cost of parts to a fraction of the previous figures. Examples of parts in this catagory include processing rolls of all types, belts, wear straps, bumpers, wiper blades, wheels and an endless range of custom parts.

Hardness and Resilience


The hardness of most practical products of Double Bond ranges between 15 durometer A and 75 durometer D. The D scale is used to measure hardness greater than 95A. Most rubbers fall between 15 and 80 on the A scale and structural plastics begin at 55 on the D scale. Double Bond bridges the gap between rubber and plastic materials with respect to hardness.