Polyurethane elastomers are a useful and cost effective alternative to rubber in several applications. Elastomeric properties are determined by the material mix. Polyurethane can offer strength, rigidity , softness and flexibility. PU can perform better than rubber in terms of abrasion resistance and the injection moulding process makes the component easier to shape.
Its true strength lies in its damping abilities, absorbing and isolating extreme shock, noise and vibration. Trelleborg Automotive uses PU materials for bushing and bump stop applications.
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