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Protect and insulate critical electrical components

Seal out environmental hazards and ensure reliable electrical connectivity.

Engineering your electrical systems for maximum reliability begins with Silastic® brand silicone elastomers. With intrinsic dielectric protection, Silastic silicone high-consistency rubber (HCR) and liquid silicone rubber (LSR) elastomers are ideal for spark plug cables, spark plug boots, and other electrical insulation applications.

Withstand fuel, oil, and solvents

Protect high-voltage ignition cables from fuel, oil, and solvents that would degrade organic rubbers with high-performance Silastic  fluorosilicone rubber (FSR) elastomers

Improve your manufacturing options and process efficiency

Ensure protection for your electrical systems
Silastic silicone elastomers:

  • Corona resistance protects from the damage of high-voltage ionization
  • Have a wider operating temperature range than most organic elastomers
  • Withstand rapid, wide temperature fluctuations
  • Can be tailored or custom compounded to meet extreme or extended heat-resistance requirements
  • 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 elongation properties longer than organic elastomers and at higher temperatures

Learn how the electrical protection and insulation capabilities of Silastic silicone elastomers benefit these demanding applications

Connector Seals & Gaskets
Ignition Cable
Spark Plug Boots

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 electrical protection and insulation challenges with a Dow Corning expert.

Contact Us

A Dow Corning Expert

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

Request a Tailored Elastomer


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