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70A Durometer 2-7/8" ID 3-1/4" OD 3/16" Width 336 EPDM O-Ring - 25 Pack

  • Added more than 30 days ago


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  • Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments
  • Can be used in a wide temperature range from -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C)
  • Round in cross-section to provide a seal between cylindrical overlapping surfaces
  • Durometer (hardness) of 70A for resistance to penetration
  • Meets standards defined by Aerospace Standard AS568A
This EPDM O-ring is black in color, round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. EPDM is acceptable for temperature applications between -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C). It is compatible for use with water and steam, silicone oil and grease, polar solvents (alcohols), acids, glycol-based brake fluids, ozone, and weathering. It is vulnerable to many oils, gasoline, and solvents. This material meets ASTM International standards. This EPDM O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.
  • Inside Diameter: 2.85 inches
  • Inside Diameter Tolerance: 0.02 inches
  • Outside Diameter: 3.27 inches
  • Overall Width: 0.21 inches
  • Width Tolerance: 0.005 inches
  • Nominal Inside Diameter: 2.85 inches
  • Nominal Outside Diameter: 3-1/4 inches
  • Nominal Width: 0.21 inches
  • Number of Items: 25
  • Outside Diameter: 3-1/4 inches
  • Size: 336
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