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Encapsulated o-ring advantages
By combining the energizing properties of Silicone or Viton® with the chemical resistance of FEP / PFA Teflon® flouropolymers, you get an o-ring capable of handeling extream applications wwith out the extream price of Kalrez®.
As a rule, Silicone cores are better for low temperature applications. Viton® has a lower compression set figure and is recommended for applications to 400 F (constant).
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GRAFOIL® is a registered trademark of GrafTech International Holdings Inc.
Viton® is a registered trademark of DuPont Performance Elastomers.
Kalrez® is a registered trademark of DuPont Performance Elastomers.
Teflon® is a registered trademarks or trademark of E. I. du Pont de Nemours and Company
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