Characteristic of Plastic Bearing Unit: 1.Excellent chemical resistance, able to withstand all strong acids (including aqua regia) except molten alkali metals, fluorinated media and sodium hydroxide above 300C, as well as strong oxidants, reducing agents and various organic The role of solvents 2. Excellent heat resistance, its melting temperature is 324°C,decomposition temperature is 415°C, maximum use temperature is 250°C, embrittlement temperature is -190°C, and thermal deformation temperature (under 0.46MPa) is 120°C. 3. It has the smallest surface tension in solid materials and does not adhere to any substances. 4. Low friction performance, friction coefficient is the lowest among known solid materials 5. Resistance to aging 6. Good flexibility