Description of FKM 75 X-Ring Seals
Characteristics and function
Characteristics:
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Chemical Resistance: FKM 75 X-Ring seals are made of fluoroelastomer material (FKM), which provides excellent chemical resistance. It is resistant to a wide range of chemicals, including petroleum products, solvents, acids, alkalis, and more. This makes it highly durable in a variety of chemical environments.
- High-temperature resistance: FKM 75 X-Ring can maintain its performance stability in high-temperature environments. It can withstand temperatures up to over 200 degrees Celsius, making it suitable for high-temperature applications.
- Oil Resistance: FKM X-Ring seals have excellent oil resistance to a variety of lubricants, hydraulic oils, and fuels. It provides reliable sealing in lubrication systems and fuel systems.
- Excellent dimensional stability: The FKM 75 X-Ring seal has good dimensional stability, that is, it has small dimensional changes under different temperature and pressure conditions. This ensures seal reliability and consistency over long periods of use.
- High-pressure sealing: Due to the special design of the X-ring, the FKM 75 X-Ring seal can provide a two-way sealing effect and effectively prevent leakage. It has good sealing performance in high-pressure environments.
Function:
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Sealing function: FKM X-Ring seals are mainly used to seal liquid or gas systems to prevent leakage. Its X-ring cross-section design enables it to provide a bi-directional sealing effect and performs well in both static and dynamic sealing applications.
- Prevent contamination: FKM 75 X-Ring seals can effectively prevent external impurities, dust, moisture, and other substances from entering the system, protecting equipment and machinery from contamination and ensuring their normal operation.
- Reduced Friction and Wear: FKM X-Ring seals provide effective sealing in friction and vibration environments, reducing friction and wear between components and extending the life of your equipment.
- Resistant to chemical corrosion: The fluoroelastomer material of the FKM 75 X-Ring seal has excellent chemical stability and can withstand the erosion of a variety of chemical substances, protecting the system from chemical corrosion.
Applicable working conditions
High-temperature environment: FKM X-Ring seals have excellent high-temperature resistance and can maintain their sealing performance and elasticity under high-temperature conditions. It can withstand temperatures up to over 200 degrees Celsius, so it is suitable for sealing needs in high-temperature environments.
Chemically corrosive environment: FKM 75 X-Ring seals are made of fluoroelastomer material, which has excellent chemical stability and can withstand the erosion of a variety of chemical substances. It can provide reliable sealing performance in environments in contact with petroleum products, solvents, acids, alkalis, etc.
Lubricating oil and hydraulic oil systems: FKM X-Ring seals have good oil resistance to various lubricating oils and hydraulic oils, and can provide reliable sealing effects in lubrication systems and hydraulic systems.
High-pressure environment: Due to the special design of the X-ring, the FKM 75 X-Ring is able to provide a two-way sealing effect and effectively prevent leakage in high-pressure environments. It is suitable for applications requiring sealing under high-pressure conditions.
Sealing applications in the industrial field: FKM X-Ring seals are widely used in sealing applications in various fields such as the automotive industry, aerospace, mechanical engineering, petrochemical industry, etc. It can be used for the sealing needs of various industrial equipment and machinery such as engines, transmission systems, hydraulic systems, gas systems, etc.

Physical property information
| Physical Properties | Rating (Metric) | Rating (Imperial) | Test Method |
| Specific gravity | 1.82 g/cc | 1.82 g/cc | ASTM D297 |
| Mechanical Properties | Ratings (Metric) | Ratings (Imperial) | Test Methods |
| Hardness (Shore A) | 75 | 75 | ASTM D2240 |
| Tensile strength (breaking) | 14.1 MPa | 2050 psi | ASTM D1414 |
| Tensile Strength (Yield) | 4.14 MPa | 600 psi | @50% Elongation; ASTM D1414 |
| Elongation (at break) | 182 % | 182 % | ASTM D1414 |
| Permanent compression | 20 % | 20 % | 70 hours @ 400°F (204°C) @ 25% deflection; ASTM D395 |
| Thermal Performance | Rating (Metric) | Rating (Imperial) | Test Method |
| Maximum operating temperature, Air | 200 °C | 392 °F | |
| Minimum operating temperature, Air | -30.0 °C | -22.0 °F |
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