Also, Viton has the widest range of resistance to chemicals. It’s resistant to several chemicals like silicone oil & grease, mineral & vegetable oil, aliphatic, chlorinated hydrocarbons, methanol fuels, and so many more.
Most standard oil seals have to comply with the DIN 3760 and ISO 6194 standards. Different standard types of oil seals are available that comply with these requirements.
rubber or polymer
Scrape off all the traces of dirt and old gasket from the engine and sump flanges with a paint scraper.
Oil seal specifications
Sealing lip
What are oil seals?
Metal Case

There are different types of spark plugs available, including copper, platinum, and iridium. Each type has its own advantages and disadvantages, so it is important to choose the right spark plug for your vehicle based on its specific needs.
ignition spark plug

Standard 3760/3761
Table 7 shows the shaft design checklist.
Beyond the variety of lip designs, oil seals also come in various case designs, each serving a unique role. Here are some of the most common ones: