High Temperature Resistance Virgin PTFE Seal

PTFE offers many distinct advantages over elastomers. These advantages include corrosion resistance, massive temperature range capabilities, excellent electrical properties and an almost unlimited shelf life, to name a few.

What Are The Three Types of PTFE Materials?

Virgin PTFE

Filled PTFE

Expanded PTFE

Advantages of PTFE Seals

Corrosion resistance

Media that isn’t compatible with typical rubber compounds, or caustic or corrosive chemicals can make PTFE the best choice of material.

Long shelf-life

Applications requiring long-life or extended service intervals in corrosive environments may also merit the use of PTFE.

Wide temperature range capabilities

Applications in cryogenics or high temperature situations such as ovens or combustion processes may also rule out any elastomer compound, again making PTFE the best choice.

Extremely low temperatures will cause most rubber compounds to harden to the point where any elastomeric properties are no longer present in the material. This combined with contraction of the material can mean it will no longer function effectively as a seal.

PTFE, on the other hand, retains flexural and pliability properties even at cryogenic temperatures.

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