NBR Rubber Cord – Nitrile Rubber Sealing Cord (Oil Resistant, 70 Shore)

Our NBR rubber cord is a high-quality nitrile sealing cord designed for applications requiring excellent resistance to petroleum oils, mineral oils, vegetable oils, fuels, and common industrial fluids. Manufactured from durable Nitrile (NBR) rubber, this flexible circular cord offers strong mechanical properties and reliable sealing performance across a wide range of industrial and engineering applications.

Suitable for gasket fabrication, sealing, and O-ring applications where oil and fuel resistance is essential.

Key Features

• Manufactured from high-quality Nitrile (NBR) rubber
• Excellent resistance to:
  • Petroleum oils
  • Mineral oils
  • Vegetable oils
  • Aromatic hydrocarbons
  • Dilute alkalis and acids
• Good mechanical strength and flexibility
• Low compression set
• Cost-effective sealing solution
• Suitable for industrial and engineering applications

Technical Specifications

• Material: Nitrile Rubber (NBR)
• Colour: Black
• Cross Section: Circular
• Hardness: 70 Shore A
• Temperature Range: -20°C to +80°C
• Maximum Temperature: +80°C
• Minimum Temperature: -20°C
• Elongation at Break: 300%
• Tensile Strength: 12 MPa
• Compression Set: 25%
• Compression Set Test Parameters: 22 hours @ 100°C

Applications

Ideal for:

• Oil-resistant sealing applications
• O-ring and gasket fabrication
• Automotive and engineering seals
• Fuel and fluid sealing systems
• Industrial machinery and equipment
• Hydraulic and pneumatic systems

Benefits

• Excellent resistance to oils and fuels
• Durable and flexible sealing performance
• Suitable for common industrial fluids and chemicals
• Good compression recovery and wear resistance
• Easy to cut and fabricate into custom seals

Important Compatibility Information

⚠️ NBR rubber is not suitable for:

• High-temperature applications
• Ozone exposure
• Ketones
• Esters
• Aldehydes
• Chlorinated hydrocarbons
• Nitro hydrocarbons

👉 For these environments, consider Viton rubber cord alternatives.

Ordering Information

• Priced and sold per metre
• Supplied in continuous uncut lengths where possible

👉 Example:
QTY 5 = 5 metre continuous length

This NBR nitrile rubber cord is a dependable solution for oil-resistant sealing, gasket fabrication, and industrial applications, delivering durability, flexibility, and reliable long-term performance.