Other important factors are ensuring the hardness and roughness of the shaft are correct. A shaft hardness of HRC 45 is recommended for a rubber sealing lip, with a roughness of Ra 0.4-0.8. A higher shaft hardness of HRC 60 and shaft roughness of Ra 0.1-0.4 is recommended for a PTFE lip.
Hard rubber gaskets are one of the most essential components in various industrial applications. These gaskets are specifically designed to create a tight seal between two surfaces, preventing the leakage of fluids or gases. They are commonly used in pipelines, machinery, engines, and automotive equipment.Oil seals normally consist of three basic components: the sealing element, the metal case, and garter spring.