Primarily used for chemical and hydrocarbon fuel seals, because it provides a higher level of fuel and oil resistance than silicone materials.

Description and properties

Due to its silicone base, fluorosilicone has relatively low tear strength, abrasion resistance and tensile strength. It is therefore generally not suited to dynamic applications.

Material Codes


ASTM D2000: HK

Temperature range

-65F to 450F

Durometer range

40-70 Shore A

Recommanded usage

Heat, oils and fuel.

Most common applications:

  • Chemical and hydrocarbon fuel seals

Most common industries:

  • Medical
  • Aerospace
  • Industrial
  • Tear
  • Abrasion
  • Tensile strength

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