Product Overview
KAFLON® NBR Rubber Cord is a high-quality sealing material made from nitrile rubber (NBR), widely used for manufacturing custom O-rings and sealing rings.
With excellent resistance to oil, grease, and hydraulic fluids, NBR rubber cord is an ideal solution for general industrial sealing applications, especially where standard molded O-rings are not available.
Key Features
- Excellent oil and fuel resistance
- Good mechanical strength and elasticity
- Easy to cut and splice into custom O-rings
- Cost-effective sealing solution
- Available in continuous lengths
- Suitable for static and low-speed dynamic sealing
Common Problem
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Material Specifications
Property Value Material NBR (Nitrile Butadiene Rubber) Hardness 70 Shore A (standard) Temperature Range -30°C to +100°C Oil Resistance Excellent Color Black -
Optional options:
Different hardness (60–90 Shore A)
FDA-grade compounds (on request)
Custom diameters and tolerances
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Optional options:
Different hardness (60–90 Shore A)
FDA-grade compounds (on request)
Custom diameters and tolerances
Advantages vs Molded O-Rings
| Feature | Molded O-Ring | NBR Rubber Cord |
|---|---|---|
| Size flexibility | Fixed sizes | Unlimited diameter |
| Lead time | Longer | Immediate availability |
| Customization | Limited | Easy on-site fabrication |
| Cost for large sizes | High | Cost-effective |
Typical Industry Applications
KAFLON® NBR Rubber Cord is widely used in:
- Custom O-ring fabrication
- Maintenance and repair operations (MRO)
- Hydraulic and pneumatic systems
- Industrial pumps and valves
- Mechanical equipment sealing
It is especially suitable for large diameter O-rings or emergency sealing solutions.
Frequently Asked Questions
1. What is the typical lead time for NBR rubber cord?
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Standard cords are usually available within 3-5 days, while custom diameters or special compounds may require 2–4 weeks.
2. Can I order samples before bulk purchase?
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Yes, sample coils or short lengths can be provided for testing and approval.
3. Can the cord be customized?
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Yes, KAFLON® can provide custom diameters, hardness, and lengths according to your requirements.
4. What information is needed for an RFQ?
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Please provide:
Cord diameter (cross-section)
Required length
Application type (O-ring fabrication, sealing)
Temperature and media
Quantity
5. Can small quantity orders be accepted?
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Yes, we support both small batch and large-scale orders, depending on project needs.
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