625'' Buna-N O-Ring Cord (70A) 10' Black

Mr O-Ring ★ 4.70 (455 reviews) Mid-Range

Price tier: Mid-Range
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.625'' (5/8") Buna-N O-Ring Cord Stock, 70A Durometer, 0.625" Thickness, 10' Piece, Black

Buna-N o-ring cord stock, 70A durometer, 0.625" thick, 10' length. Ideal for fluids with wide temp range; U.S.-made. Suitable for various cross sections and lengths. Customer note: easy to glue into o-rings

Highlights

  • 70A durometer Buna-N material
  • wide temperature range -40F to 212F
  • made in the usa

Pros

  • high durability (70A hardness)
  • buna-n material compatible with fluids
  • made in the usa
  • glue-friendly for o-rings
  • multiple cross sections and lengths available

Cons

  • mixed reviews on size and leak resistance
  • only 10' length (may require joints)

Best For

  • o-ring repair and customization
  • replacement cord for hydraulic seals
  • gasket and seal fabrication
  • temporary sealant for prototypes
  • low-volume seal production
  • adhesive-friendly o-ring projects

Features

  • O-Ring Cord made of Buna-N (Nitrile
  • NBR) for use with a variety of fluids and hydrocarbons
  • Durometer (hardness) of 70A
  • For use across a wide temperature range from -40 degrees F (-40 degrees C) to 212 degrees F (100 degrees C)
  • Made in the U. S. A.
  • Available in various cross sections and lengths.

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