Seals Materials

O-ring

Description:

  • An O-ring, also known as a packing, a toric joint, an oil seal, or a mechanical seal. O-rings are one of the most common seals used in machine design because of inexpensive, reliable, easy to make, and have simple mounting requirements. O-rings that provide an efficient seal and wide rang of applications, such as a simple o-ring shape to form a physical barrier for preventing gas or liquid fluid leakage.
Property NBR / BUNA VITON Silicone PTFE
Tear Resistance Good Good Poor Excellent
Abrasive Resistance Good Good Poor Excellent
Ozone Resistance Poor Excellent Excellent Good
Weather Resistance Fair Excellent Excellent Good
Heat Resistance Fair Excellent Excellent Good
Chemical Resistance Fair Excellent Good Excellent
Oil Resistance Poor Excellent Poor Good
Acid Resistance Fair Excellent Good Excellent
Alkali Resistance Good Good Fair Excellent
Steam Resistance Fair Fair Poor Good
Minimum Usable Temp -65 deg F -65 deg F -120 deg F -110 deg F
Maximum Usable Temp 300 deg F 500 deg F 450 deg F 500 deg F
Impermeability Fair Good Poor Excellent
Tensile Strength Good Good Poor Excellent