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Collection: Buna-N Rubber O-Ring Cord

Rubber O-ring cord extrusion

Buna-N O-ring cord stock, also known as Nitrile rubber or NBR, is a versatile oil-resistant sealing material. Our Buna-N cord stock is available in metric and standard sizes, in fractional and true dimensions. Multiple durometers (hardnesses) are stocked from soft to firm. Profile shapes include round and square, as well as a quad-lobed profile. White FDA-grade Buna-N O-Ring cord is available for applications in food and cosmetics.

Temp Range: -40 to +200 Deg F (+250 Intermittent)

Buna-N Rubber Cord Stock can be bonded or vulcanized into ready to use custom o-rings.

Contact us for custom dimension extrusions and vulcanized finished products

6 products
  • Buna-N Four Lobed Cord Stock, 70 Duro
    Buna-N Four Lobed Cord Stock, 70 Duro
    Regular price
    from $0.35
    Sale price
    from $0.35
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  • Buna-N O-Ring Cord Stock, 50 Duro
    Buna Rubber O-Ring Cord Stock
    Regular price
    from $0.37
    Sale price
    from $0.37
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    per 
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  • Buna-N O-Ring Cord Stock, 70 Duro
    Buna-N O-Ring Cord Stock, 70 Duro
    Regular price
    from $0.15
    Sale price
    from $0.15
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    per 
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  • Buna-N O-Ring Cord Stock, 90 Duro
    Buna-N O-Ring Cord Stock, 90 Duro
    Regular price
    from $0.28
    Sale price
    from $0.28
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    per 
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  • Buna-N Square Cord Stock, 70 Duro
    Regular price
    from $0.32
    Sale price
    from $0.32
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    per 
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  • Buna-N White FDA O-Ring Cord Stock, 70 Duro
    Buna-N White FDA O-Ring Cord Stock, 70 Duro
    Regular price
    from $0.38
    Sale price
    from $0.38
    Regular price
    Unit price
    per 
    Sold out