Buna N Rubber Seals: Premium Oil-Resistant Sealing Solutions
How CTG Specializes in Buna N Seal Manufacturing
CTG excels in manufacturing high-performance Buna N rubber seals, also known as NBR or Nitrile rubber. Originally developed in Germany (“Buna” from Bu-tadiene and Na-trium), this versatile material has become the industry standard for oil-resistant applications. Our advanced manufacturing processes ensure optimal performance across a wide range of industrial uses.
What Are Buna N Rubber Seals?
Buna N seals are engineered elastomer components featuring:
- Industry-leading oil resistance
- Superior fuel compatibility
- Excellent mechanical properties
- High wear resistance
- Strong physical strength
- Good compression set
- Proven reliability
- Cost-effective performance
Understanding the Buna N Heritage
The Buna designation significance:
- “Buna” from German chemical terms
- “N” indicates Nitrile content
- Part of the broader Buna family
- Historical industrial importance
- Global market recognition
- Industry standard reference
- Proven performance history
- Widespread acceptance
Industries Served with Buna N Seals
- Automotive Manufacturing
- Hydraulic Equipment
- Oil & Gas
- Aerospace
- Heavy Equipment
- Industrial Processing
- Transportation
- Mobile Equipment
End Applications for Buna N Seals
Buna N seals excel in applications requiring:
- Oil immersion service
- Fuel system sealing
- Hydraulic applications
- Petroleum exposure
- Dynamic sealing
- Grease compatibility
- Mechanical reliability
- Cost-effective solutions
Buna N Rubber Seals Frequently Asked Questions
What’s special about Buna N rubber?
Buna N combines outstanding oil resistance with excellent mechanical properties, making it the preferred choice for petroleum-based applications.
How does Buna N compare to other rubbers?
Buna N offers superior oil and fuel resistance compared to general-purpose rubbers, while maintaining good mechanical properties and cost-effectiveness.
What temperatures can Buna N handle?
Standard Buna N performs from -40°F to 250°F, with specialty compounds available for specific temperature requirements.
Are different grades available?
Yes, we offer various Buna N formulations with different nitrile contents (18-50%) to optimize performance for specific applications.
Is Buna N suitable for food processing?
Yes, we offer FDA-compliant Buna N compounds specifically formulated for food processing applications.
Technical Properties
Buna N Characteristics:
- Oil Resistance: Superior
- Temperature Range: -40°F to 250°F
- Tensile Strength: Excellent
- Abrasion Resistance: Very Good
- Compression Set: Good
- Gas Permeability: Good
- Cost Effectiveness: High
- Processing: Versatile
Manufacturing Excellence
Our Buna N processing includes:
- Precision Molding
- Custom Compounding
- Multiple Hardness Options
- Surface Engineering
- Broad Size Range
- Complex Geometries
- Color Coding
- Rapid Prototyping
Quality Assurance
Every Buna N seal undergoes:v
- Material Verification
- Process Monitoring
- Dimensional Analysis
- Oil Resistance Testing
- Physical Property Testing
- Compression Testing
- Surface Inspection
- Lot Traceability
Key Applications
Buna N seals are critical in:
- Engine Systems
- Transmission Components
- Hydraulic Equipment
- Fuel Systems
- Oil Field Equipment
- Industrial Machinery
- Processing Equipment
- Mobile Applications
Experience the CTG Difference
Partner with CTG for your Buna N sealing needs and benefit from:
- 24/7 emergency manufacturing capability
- Expert engineering support
- Comprehensive material testing
- ISO quality management system
- Rapid prototyping services
- Competitive pricing
- Quick delivery options
24/7 Emergency Delivery Available
TECHNICAL LIBRARY
For available materials, sizing, geometry, gland considerations and more, view our technical library.
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For urgent needs call 800.299.1685
