The Seal Extrusion Company – Nitrile Rubber O-Ring Cord

Description:
Premium Nitrile (NBR) rubber cord, ideal for creating O-rings, seals, gaskets, and custom applications. Resistant to fuels, oils, and general industrial fluids, making it suitable for automotive and other demanding environments.

Specifications & Compliance:

• Material: Nitrile (NBR) rubber

• Shore Hardness: NB 70 Shore (example for 4mm cord)

• Dimensions: Standard tolerances vary by size – see full tolerance chart in images

• Production Standards:

  • EU2023/2006, Good Manufacturing Practice

  • BEK 681 25/05/2020 (DK)

  • FDA CFR21 / §177.2600 (rubber parts intended for repeated use)

  • EU1935/2004 Article 3 compliance via FDA standard until specific EU measures are introduced

Tolerance Example:

• 4mm cord: NB 70 Shore ± 0.35mm

• Actual measurement using calibrated vernier: 3.96mm (-0.04mm deviation)

• EU standard tolerances apply to UK & EU manufacturers; imported cords may differ

Applications:

• O-rings, seals, gaskets

• Automotive, marine, industrial sealing

• Works with our Rubber Extrusion Adhesive for creating custom O-rings and bonding trim: [Ebay Item 224223933474]

Ordering & Length:

• Priced per metre

• Enter quantity = length required

• Sent as one continuous length (e.g., QTY 10 = 10m cord)

Postage:

• Dispatched via standard 3 working day system

• Optional faster shipping available – please contact us to arrange

• Ensure your address and contact details are correct at checkout

About Us:

• The Seal Extrusion Company Ltd, UK VAT registered

• Trusted UK supplier with decades of experience in rubber seals and extrusion products