Product Overview
The NBR O-Ring (10.6 * 2.65 mm) is a high-performance sealing component specifically designed for automotive electronics, sensors, connectors, control modules, battery systems, and industrial equipment. Manufactured from premium Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to oils, fuels, hydraulic fluids, grease, and various industrial chemicals.
With its precise dimensions of 10.6 mm inner diameter and 2.65 mm cross-section, this sealing ring provides reliable protection against water, dust, moisture, and contaminants in demanding environments. It is widely used in automotive electronic assemblies, wiring harness connectors, ECU housings, sensors, and fluid management systems where long-term sealing performance is critical.
The NBR O-ring combines outstanding elasticity, compression set resistance, wear resistance, and cost-effectiveness, making it one of the most popular sealing solutions for OEM manufacturers and aftermarket suppliers worldwide.
Cause
Why Do Automotive Electronic Systems Require High-Quality O-Rings?
Modern automotive electronics operate in increasingly harsh environments. Components are exposed to:
- Rainwater and humidity
- Engine oil and lubricants
- Fuel vapors
- Dust and road debris
- High and low temperature cycles
- Vibration and mechanical stress
- Pressure fluctuations
Without an effective sealing solution, electronic components may suffer from:
- Water ingress
- Corrosion of electrical contacts
- Short circuits
- Sensor malfunction
- Connector failure
- Reduced product lifespan
As vehicles become more intelligent and electrified, the reliability of sealing systems becomes increasingly important for ensuring long-term operational safety.
Solution
Reliable NBR O-Ring Sealing Technology
Our 10.6 * 2.65 mm NBR O-Ring provides a simple yet highly effective sealing solution for automotive and electronic applications.
Key Benefits
✔ Excellent oil resistance
✔ Outstanding fuel resistance
✔ Reliable water and dust sealing
✔ Good compression set performance
✔ High wear resistance
✔ Long service life
✔ Cost-effective alternative to more expensive elastomers
✔ Compatible with automated assembly processes
✔ Custom hardness and colors available
✔ Suitable for high-volume OEM production
Whether used in sensor housings, automotive connectors, electronic control units, or industrial equipment, this NBR O-ring delivers dependable sealing performance under demanding operating conditions.
Specifications
| Item |
Specification |
| Product Name |
NBR O-Ring |
| Material |
Nitrile Butadiene Rubber (NBR) |
| Size |
10.6 * 2.65 mm |
| Inner Diameter (ID) |
10.6 mm |
| Cross Section (CS) |
2.65 mm |
| Color |
Black (Custom Colors Available) |
| Hardness |
50-90 Shore A (Customizable) |
| Operating Temperature |
-40°C to +120°C |
| Tensile Strength |
≥10 MPa |
| Elongation at Break |
≥250% |
| Compression Set |
Excellent |
| Oil Resistance |
Excellent |
| Fuel Resistance |
Excellent |
| Water Resistance |
Good |
| RoHS Compliance |
Available |
| REACH Compliance |
Available |
| OEM/ODM Service |
Supported |
Application
Automotive Electronics
- ECU (Electronic Control Unit) sealing
- Automotive sensor sealing
- Battery pack sealing
- Wiring harness connectors
- Vehicle lighting systems
- Charging connectors
- Electric vehicle electronic modules
Industrial Electronics
- Control boxes
- Electrical enclosures
- Communication equipment
- Industrial sensors
- Smart devices
Fluid Handling Systems
- Hydraulic systems
- Fuel systems
- Lubrication systems
- Pneumatic equipment
Consumer Electronics
- Waterproof housings
- Electronic connectors
- Portable equipment sealing
How It Works
An O-ring functions by creating a compressed seal between two mating surfaces.
When installed into a groove and compressed during assembly:
- The O-ring deforms elastically.
- It fills the microscopic gaps between components.
- Contact pressure is generated against sealing surfaces.
- Internal system pressure further enhances the sealing effect.
- The seal prevents the passage of liquids, gases, dust, and contaminants.
For automotive electronic applications, the NBR O-ring acts as a critical barrier that protects sensitive electronic components from environmental exposure while maintaining system reliability.
How To Choose
1. Determine the Correct Size
Select the proper:
- Inner Diameter (ID)
- Outer Diameter (OD)
- Cross Section (CS)
The 10.6 * 2.65 mm size is ideal for compact automotive electronic assemblies and precision connector sealing.
2. Consider Operating Temperature
Choose a material suitable for your temperature range:
| Material |
Temperature Range |
| NBR |
-40°C to +120°C |
| FKM |
-20°C to +200°C |
| Silicone |
-60°C to +230°C |
3. Check Media Compatibility
NBR performs exceptionally well with:
- Mineral oils
- Hydraulic oils
- Grease
- Diesel fuel
- Gasoline
4. Evaluate Environmental Conditions
Consider:
- UV exposure
- Ozone resistance
- Water resistance
- Dust protection level
- Vibration conditions
5. Verify Compliance Requirements
For export markets, choose products compliant with:
- RoHS
- REACH
- Automotive industry standards
FAQ
Q1: What is the main advantage of NBR O-rings?
NBR O-rings offer excellent resistance to oils, fuels, and hydraulic fluids while maintaining excellent sealing performance at a competitive cost, making them ideal for automotive and industrial applications.
Q2: Can this 10.6 * 2.65 mm O-ring be customized?
Yes. We provide custom dimensions, hardness levels, colors, packaging options, and material formulations according to customer requirements.
Q3: Is the O-ring suitable for electric vehicle applications?
Yes. It is widely used in EV battery systems, charging connectors, electronic control units, and sensor assemblies requiring reliable environmental sealing.
Q4: What certifications can be provided?
We can provide RoHS, REACH, material test reports, and other compliance documentation upon request.
Q5: What is the minimum order quantity?
MOQ depends on size and customization requirements. Please contact our sales team for a customized quotation and sample support.
Request a Free Sample Today
Looking for a reliable 10.6 * 2.65 mm NBR O-Ring supplier for automotive electronics, industrial equipment, or custom sealing projects?
We offer:
- OEM & ODM Manufacturing
- Custom Sizes & Hardness
- Fast Sampling Service
- Competitive Factory Pricing
- Global Export Experience
- RoHS & REACH Compliance Support
Contact us today to receive free samples, technical recommendations, and a customized quotation within 24 hours.
