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Control noise and harshness for designed effect

Fine-tune your market, from quiet, luxurious ride to performance driving.
Ride, sound, and feel define the automotive experience. Tailoring noise, vibration, and harshness (NVH) characteristics enables you to fine-tune the market position of your products. Silastic® brand silicone elastomers provide the tools you need to meet dampening and acoustical engineering challenges in engine mount and exhaust system design.

Materials that meet today's challenges

Meeting tightening emission regulations often means higher temperatures. Coupled with ever-tighter engine compartment configurations, your NVH designs require muffler hanger and engine mount components with enhanced performance capability. Silastic® silicone elastomers: 

  • Have a wider operating temperature range than most organic elastomers -- enabling use in high-temperature engine mount and muffler hanger applications
  • Can be tailored or custom compounded to meet extreme or extended heat-resistance requirements
  • Allow design flexibility including fabrication of complex three-dimensional (3-D) parts

Formulating for design-specific solutions

You can rely on Dow Corning to custom compound Silastic® silicone high-consistency rubber (HCR) elastomers for specific dampening and active noise control challenges. And, our material formulation experts:

  • Meet industry specifications
  • Optimize your fabrication requirements

Ensure performance in real-world conditions

Silastic® silicone elastomers:

  • Resist weather, road salt, and other extreme under-vehicle environmental hazards
  • Retain their natural flexibility and continue to perform at low temperatures that would cause most organic elastomers to become brittle
  • Resist compression set at both high and low temperatures
  • Maintain their properties longer than organic elastomers at higher temperatures

Learn how the noise, vibration, and harshness capabilities of Silastic® silicone elastomers benefit these demanding applications

Engine Mounts
Muffler hangers and Dampers
Turbocharger and Intercooler Hoses

Take advantage of our expertise

With more than 50 years of silicone elastomer compounding expertise, Dow Corning can custom compound or tailor a proven silicone elastomer to help you achieve the best processing efficiency and performance value.

Learn about your custom compounding and technical support options.

Tell us what you need.

Ask an expert to help you specify the ideal Silastic® silicone elastomer for your application.

How can we help you today?

Discuss your noise, vibration, and harshness challenges with a Dow Corning expert.

Contact Us

Let us tailor or custom compound a silicone elastomer to meet your exact requirements.

Request a Tailored Elastomer


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