Hydraulic seals are mainly O-ring, round and square ring seals, etc., in such a form that they have a simple structure, easy to manufacture, low cost, so they are widely used in hydraulic system dynamic sealing element and static sealing elements. Because of the structural characteristics of this makes their performance characteristics.
1 easy to leakage of liquid substance inside, has a good seal strap, even at high pressure and high temperature and other harsh environments, the amount of leakage of hydraulic seals and no significant increase.
2 has good compatibility. Hydraulic seals due to long-term immersion in hydraulic oil, easy to swell, dissolve or brittle hardened, so that the loss of the seal, thus requiring the hydraulic plastic seals of the hydraulic oil has a good compatibility.
3 has the advantage of low friction. In order to avoid or reduce the hydraulic equipment producing low crawling and other undesirable phenomena, requiring hydraulic seals with low static friction and dynamic friction, and the friction coefficient should be very stable.
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