Industrial oil seals are diverse, covering different structures, materials and applicable scenarios. The following are the main types and applications that are summarized:

There is no fixed standard for the service life of the oil seal. Generally speaking, the oil seal on the transmission shaft of the automobile transmission can guarantee 200,000 to 300,000 kilometers without oil leakage under normal circumstances,

Common materials for oil seals include nitrile rubber, fluororubber, silicone rubber, acrylic rubber, polyurethane and polytetrafluoroethylene. Each of these materials has its own unique properties and application range.

Linear structure: the common structure of unvulcanized rubber. Due to its large molecular weight, it is in the form of fine mass without external force.

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Higher engine temperatures will break down the lubrication ability of the remaining oil, causing damage to and excess wear of pistons, piston rings, valve lifters and engine bearings.