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Rubber-O-Ring
Jun 04, 2018


An O-Ring, also known as a packing, or a toric joint, is a gasket in the shape of a torus, or doughnut shape. It is a loop of elastomer with a round cross-section, designed to be seated in a groove and/or compressed during assembly between two or more parts, creating a seal. The O-Ring may be used in static or dynamic applications where there is relative motion between the parts and the O-Ring. 

O-Rings are one of the most common seals used in machine design because they are inexpensive, easy to make, and reliable and have simple mounting requirements. 

O-Rings


Material sorts


  • Viton (FKM)

  • EPDM (EPR)

  • Silicone (SiR)

  • Highly Saturated Nitrile (HSN)

  • PTFE (a generic compound of Teflon™, a trademark of The Chemours Company)

  • PTFE Coated (PTFE coated, usually Silicone or Viton)

  • PTFE Encapsulated (Usually Silicone or Viton covered with a PTFE tube)

  • Kalrez, Chemraz, Simriz (FFKM)

  • Aflac (TFE/P)

  • Custom compounds and formulations








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