How to reduce the friction of silicone seal

How to reduce the friction of silicone seal? Silica gel has a unique "high elasticity" characteristic at room temperature. The source of the high elastic deformation of silica gel is the simple rotation of the bond in the molecular chain of macromolecules, the whole macromolecule is simple deformation under the action of external force, because the rotation position of the key is low, so the modulus is low, after the removal of external force, due to the molecular thermal movement will restore the original deformation, that is, change in the general direction, will cause the silica gel to be stretched to reduce the system value and become hot.

The silicone seal is composed of silicone and cloth layer. The material quality of silica gel and cloth directly affects the pressure resistance/heat resistance/service life of the rubber strip. The silicone seal is a kind of shaft seal equipment that, under the influence of fluid pressure, relies on one or several pairs of relative sliding end faces perpendicular to the shaft to remain suitable, and is equipped with auxiliary seals to achieve leakage resistance. The silicone seal is an indispensable part of the hydraulic pneumatic components. The compression ratio size is an important condition to determine the sealing effect. If the compression rate is large, the sealing performance is good, but the friction is increased.

Under the premise of ensuring reliable sealing, the compression should be as small as possible to reduce the friction of the silicone seal and increase the service life of the seal. Secondly, the raw materials of the silicone rubber seal can be improved, and the improved silicone rubber seal material can affect the friction resistance and crawling characteristics of the silicone rubber seal in a planned way, but in the process of improving the silicone rubber seal material, the impact of the material improvement on the wear resistance and extrusion performance should be considered.

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