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【 Knowledge 】 Characteristics of polyurethane rubber PU seals
Category：Industry news Source：This station Datetime：2023-09-21 17:00:00 Hits：630
In addition to the common rubber, polyurethane (PU) is also one of the most widely used materials in seals. It is widely used in hydraulic seals such as U-lip oil seals. We can also produce O-rings with polyurethane.
Polyurethane rubber mechanical properties are quite good, high hardness, high elasticity, abrasion resistance are difficult to compare with other rubbers; Aging resistance, ozone resistance, oil resistance is also quite good. The general use temperature range is -45~90 ℃. Advantages: wear resistance, high pressure resistance. Disadvantages: High temperature intolerance.
Polyurethane seals are widely used in high pressure and wear resistant seals in industry, such as hydraulic cylinder seals and high pressure and high charge systems.