Rubber Oil and Heat Resistant Gasket
Rubber oil and heat resistant gaskets are engineered sealing components designed to maintain reliable performance under continuous exposure to oils, fuels, lubricants, and elevated temperatures. They are widely used in automotive, industrial machinery, piping systems, and power equipment where conventional rubber materials may harden, swell, or degrade.
1. Product Overview
Oil and heat resistant gaskets are primarily used to prevent leakage in systems combining thermal stress and aggressive media. The gasket material must retain elasticity, compression force, and dimensional stability throughout its service life.
- Excellent resistance to petroleum-based oils and fuels
- Stable sealing performance at elevated temperatures
- Low swelling and volume change
- Good compression recovery
Application Focus: These gaskets are ideal for engines, gearboxes, pumps, compressors, and heat-exposed sealing interfaces.
2. Common Materials for Oil and Heat Resistance
| Material | Oil Resistance | Heat Resistance | Typical Temperature Range |
|---|---|---|---|
| NBR (Nitrile Rubber) | Excellent | Good | -30°C to +120°C |
| HNBR | Excellent | Very Good | -30°C to +150°C |
| FKM (Viton®) | Outstanding | Excellent | -20°C to +200°C |
| ACM (Polyacrylate) | Very Good | Good | -20°C to +150°C |
Material Limitation: EPDM and silicone rubber are not suitable for oil-based environments due to swelling and loss of mechanical strength.
3. Manufacturing Processes
Rubber oil and heat resistant gaskets are manufactured using processes selected according to thickness, tolerance, and production volume.
- Compression Molding: Ensures dense structure and consistent sealing performance
- Die Cutting: Cost-effective for flat gaskets made from rubber sheets
- Water Jet Cutting: Suitable for custom shapes and rapid prototyping
Process Selection Tip: Molded gaskets are preferred for high-temperature and high-load applications due to improved material integrity.
4. Key Performance Tests
4.1 Oil Immersion Test
- Measures volume change after oil exposure
- Evaluates swelling and hardness variation
4.2 Heat Aging Test
- Assesses tensile strength and elongation retention
- Simulates long-term thermal exposure
4.3 Compression Set
- Determines sealing force loss over time
- Critical for static gasket applications
5. Typical Applications
- Automotive engine and transmission systems
- Oil pumps and hydraulic equipment
- Industrial gearboxes and compressors
- Oil pipelines and flange connections
- Power generation equipment
6. Installation and Maintenance Guidelines
- Clean flange surfaces to prevent leakage paths
- Apply uniform bolt torque in a cross pattern
- Avoid over-compression beyond material limits
- Inspect gaskets during routine maintenance cycles
Maintenance Tip: Replace gaskets showing hardening, cracking, or excessive compression set to prevent sudden leakage.
Conclusion
Rubber oil and heat resistant gaskets provide dependable sealing in demanding environments where both thermal stress and aggressive media are present. Proper material selection, controlled compression, and regular inspection are essential to achieving long-term sealing performance.
About Us
Best Seal supplies oil and heat resistant rubber gaskets with a wide range of materials, hardness options, and custom dimensions.
- NBR, HNBR, FKM, ACM material options
- Custom shapes, thicknesses, and tolerances
- OEM and aftermarket support
- ISO 9001 quality control system
Why choose us?
- Our Rubber Gaskets are known for their excellent resistance to heat, cold, chemicals, and water.
- Our factory has advanced production equipment, strong R&D ability, professional technical service, modern management concept, and perfect sales network, all of which make our products sell well all over the world.
- We are a Chinese factory offering high-quality Rubber Gaskets and professional services at competitive prices.
- We will keep improving ourselves, innovating, absorbing new technology and new equipment and talents, and making continuous efforts to provide professional and efficient services to our customers.
- Our Rubber Gaskets are ideal for use in high-temperature and high-pressure applications.
- The company will further improve the production, sales, and technical service systems, and dedicate more high-quality, low-cost products and services to customers.
- Our Rubber Gaskets are made with the finest materials to ensure durability and long-lasting performance.
- We take "honesty, pragmatism, innovation and enterprise" as our unwavering belief.
- We offer a range of payment options for our customers to make purchasing our Rubber Gaskets hassle-free.
- Our company will spare no effort to produce the most advanced and applicable professional Rubber Oil And Heat Resistant Gasket with the latest concepts in the industry and in response to the needs of our customers.
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