Products Description
| Product Name | Description | Capabilities Applied/Processes | Overall Dimensions |
| Automotive Rubber Back-up Rings | Back-up rings play an important role in seals in the automotive field | can solve the problems of reduced material strength and poor performance of shock absorption and noise reduction under high-temperature conditions. | Standard size |
| Color |
Color can be specified by the customer |
| Material Used | EPDM |
| Benefits |
Excellent heat resistance, ozone resistance, hot water vapor resistance |
| In-process testing performed | Customer Life-Test |
| Standards Met | RMA Standards |
| Application |
Automobile industry |
Introduction to Automotive Rubber Back-up Rings
1. Excellent heat resistance
2. Ozone resistance
3. Resistance to hot water vapor
4. Better weather resistance
5. Low compression set
6. Flex resistance
7. Good protection against thermo-oxidative aging
Automotive rubber Backup rings can solve the problems of poor low-temperature resistance and low brittleness of plastic support rings, easy to break in winter, reduced material strength under high-temperature conditions, and poor performance in shock absorption and noise reduction. At the same time, the material used can improve the heat resistance and deformation resistance of the support ring, and the cold resistance and low-temperature brittleness are excellent, which can meet the low-temperature environment in different regions in winter.
Sealing function
Automotive rubber back-up rings are important in sealing applications, particularly in hydraulic and pneumatic systems. Here's how they contribute to the sealing function:
- Pressure Support: Back-up rings support the primary sealing element, such as an O-ring or a seal. They are typically installed on both sides of the primary seal and function as mechanical barriers.
- Extrusion Resistance: Back-up rings act as a physical barrier, resisting the extrusion of the primary seal material into the sealing gap. They provide structural integrity and prevent the primary seal from being forced into areas where it could be damaged or compromised.
- Anti-Extrusion Gap: The presence of back-up rings creates an anti-extrusion gap between the primary seal and the sealing surface, providing additional clearance for the primary seal to operate without being subjected to excessive pressure or stress.
- Enhanced Seal Performance: By preventing extrusion and maintaining the integrity of the primary seal, backup rings enhance the overall sealing performance of the system.
- Compatibility with Various Sealing Materials: Automotive rubber backup rings are designed to be compatible with a wide range of sealing materials, including elastomers, thermoplastics, and other specialized sealing compounds.
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