Car thermostat rubber seals
| Technical data sheet of FKM | ||||
| Property | Unit | Test Method | Test Parameter | Value |
| Hardness | Shore A | ASTM D 2240 | 77 +3/-2 | |
| Tensile Strength | MPa | ASTM D 412 | 12 | |
| Ultimate Elongation | % | ASTM D 412 | 150 | |
| Specific gravity | g/cm3 | ASTM D 297 | 2.10 ±0.05 | |
| Compression set | % | ASTM D 395 B | 22h / 200°C | 13 |
Introduce
Car thermostat rubber seals are utilized for the valves in a car's cooling system, which is a vital component. These seals ensure that the valve regulates the flow of coolant to maintain the engine within the optimal operational temperature range. The primary purpose of the seal is to prevent any coolant leakage and ensure that the temperature control valve performs the necessary sealing functions.
Advantage
Car thermostat rubber seals offer several advantages that contribute to the efficient functioning of a vehicle's cooling system. Here are the key benefits:
- Leak-Proof
The rubber seal is designed to create a tight seal between the thermostat and the housing. This prevents coolant leaks, which can lead to overheating and engine damage.
- Enhanced Durability
Rubber seals resist corrosion and wear, which is critical in the harsh environment of the engine compartment, where temperature fluctuations and exposure to various fluids occur.
- Improved Engine Performance
With a reliable seal, the thermostat can work effectively, allowing it to open and close at the appropriate temperature, thereby improving overall performance and fuel efficiency.
- Compatibility with Modern Designs
Many modern thermostats are equipped with rubber seals as part of their design. These seals help accommodate variations in manufacturing tolerances and ensure a better fit in the housing.

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