Liquid Silicone Rubber

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Designed for Demanding Automotive Applications

Modern vehicles require materials that can withstand intense environments—from engine bays and fuel systems to electronic enclosures and sensor housings. That’s where liquid silicone rubber (LSR) comes in.

At North Coast Seal, we produce custom-molded LSR components for automotive OEMs and Tier 1 suppliers. Our parts offer exceptional heat resistance, flexibility, and sealing performance—even in the tightest, toughest spaces.

Benefits of Liquid Silicone Rubber

High-Performance Materials for Harsh Environments

LSR is a go-to material for critical automotive components due to its thermal stability, electrical insulation properties, and ability to retain flexibility over a wide temperature range.

We deliver:

  • Excellent resistance to heat, cold, and ozone
  • Biocompatibility and low compression set for long-term sealing
  • Consistent quality in high-volume production
  • Complex geometries for overmolding or insert molding
  • Material grades that meet ISO, SAE, and OEM-specific standards

Get Custom LSR Parts for Your Automotive Program

We Understand Your Automotive Requirements

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