The engine generates a lot of heat when it works, resulting in a high internal temperature. The gasket needs to have good high temperature resistance, and be able to maintain its physical and chemical properties in a high temperature environment, without deformation, melting, aging and other phenomena, so as to continue to effectively play a sealing role
The gasket needs to be elastic, so that when the cylinder head and cylinder block are tightened, it can be compressed, better fill the gaps on the surface, and improve the sealing effect. At the same time, when the relative position of the components changes slightly due to thermal expansion and cold contraction during the working process of the engine, the elastic sealing gasket can also adapt to this change through its own deformation and maintain good sealing performance
When the engine is working, the gasket is subjected to a variety of forces such as high temperatures, high pressures, and mechanical vibrations. Therefore, it needs to have enough strength to prevent breakage, tearing, etc. under the action of these forces, ensure the reliability of its sealing function, and ensure the normal operation of the engine
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