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Home >> Elastomeric Material Solutions >> Applications >> Buzz, Squeak, Rattle / Noise, Vibration, Harshness
Vibration between mating components can lead to objectionable sounds that reduce the perceived quality of a product. Hybrid Electric Vehicles, for instance, have significantly quieter engines. This means the noise being generated by poor door seals or vibrating parts is no longer masked. PORON® Polyurethane Foams reduce BSR (buzz, squeak, and rattle) and provide improved NVH (noise, vibration, and harshness) characteristics. Their unique formulation will not take a set or relax, maintaining an effective seal over the life of the material.
Most noise caused from vibration occurs because of friction or impact. Temperature, humidity, product age, and load environment impact the amount of BSR. PORON® Polyurethane Foams provide excellent resistance to compression set (collapse), and exhibit high resiliency, good vibration damping, and impact absorption. This extends the life of the product by continuing to seal and absorbing shock.
PORON® Polyurethane Foams are available in a range of firmnesses and thicknesses for a wide variety of applications, from soft materials for automotive fuel tank isolator pads and camera window gaskets to very firm foams for enclosure gaskets. PORON® materials are inherently flame retardant; many meet flammability requirements of UL94 HBF and MVSS 302.
Rogers Corporation BISCO® Silicones are multi-purpose solutions for the rail interiors industry. BISCO Silicones provide safety, comfort, durability and long-term performance for rail car systems and components.
BISCO Silicones Rail Information
Read Materials Design: Vibration Isolation and Damping, the Basics By Noah Bouschard, Rogers Corporation Applications Engineer.
Download the Vibration Isolation White Paper (Registration Required)