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Content Guide

Fuel Quick-Connect Seals


Help improve fuel system reliability with fluorosilicone rubber quick-connect seals

Choose proven Silastic® brand fluorosilicone rubber (FSR) elastomers and easy-to-process Silastic® brand fluoro liquid silicone rubber (F-LSR) elastomers for reliable fuel-system quick-connect seals.

High-performance silicone rubber fuel quick-connect seals

Dow Corning high-performance fuel-system sealing solutions:

  • Resist fuels, oils and solvents that degrade and destroy most organic elastomers.
  • Maintain strong physical properties even with extreme heat or cold.
  • Provide custom compounding options to optimize fuel resistance and minimize swelling in direct fuel contact.

Gain fuel and oil resistance plus processing economy
Both types of Silastic fluorosilicone elastomers are proven performers and ideally suited for fuel quick-connect seals.

  • Solutions based on F-LSR and higher-hardness co-polymers are in a class alone for fuel system sealing.
  • FSR and F-LSR offer an excellent combination of material performance, economical processing options, value and product selection range.

Fluoro liquid silicone rubber (F-LSR) offers advantages
Silastic F-LSR elastomers provide you with both design flexibility and processing economy:

  • Simplify manufacturing of small parts needing fuel resistance.
  • Injection molding boosts productivity and lowers per-unit costs.
  • Over-molding can reduce inventory, labor and handling costs, reduce scrap rates.
  • 100% F-LSR provides much longer part life in harsh environments than most partially fluorinated materials.

Get the quick-connect seal materials and support you need for fuel-system reliability.

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  • Get a product suggestion
    Let us suggest the right product for your fuel-system quick-connect sealing needs.
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  • Request a customized material
    Get the material properties and performance you require.
Special Request
  • See additional powertrain solutions
    In addition to specialty sealants, elastomers and lubricants, we also offer more material options for other powertrain applications.

View more solutions for powertrain applications

Radiator/intercooler seals
CVJ boots
Engine seals, gaskets
Engine mounts
Muffler hangers, dampers
Turbocharger/intercooler hoses
Coolant/radiator hoses
Powertrain component lubrication
Dry-film corrosion protection
Flexible diaphragms
Piston anti-friction coatings
Vibration & wear control
Other powertrain solutions

Learn more

Proven Solutions for Challenging Powertrain Applications (1.7 MB PDF)

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Non-curing fluorosilicone channel sealants have been used on military jet fighters to seal integral fuel tanks. They resist fuel, shock, vibration and thermal cycling.

Learn more about the properties and performance advantages of silicone and fluorosilicone sealants from Dow Corning.


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