- But what truly sets Double Platinum Spark Plugs apart is their ability to withstand extreme temperatures. The high-quality materials used in their construction allow them to maintain stability even at temperatures exceeding 1400 degrees Celsius. This is crucial in modern engines, which operate at higher temperatures due to increased compression ratios and advanced turbocharging systems.
Oil seal manufacturing involves the production of precision-engineered seals designed to prevent the leakage of lubricants and the ingress of contaminants in various industrial and automotive applications. The manufacturing process typically includes the selection of high-quality materials, precision molding or machining, and rigorous quality control measures to ensure the reliability and performance of the oil seals. Advanced manufacturing technologies and expertise are essential for producing oil seals that meet the demanding requirements of diverse industries.
OIL SEALS
* KOYO is a registered trademark of JTEKT.
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.


-15 °C to + 180 °C