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- One of the key factors that determine the effectiveness of an oil seal is its material composition. Common materials used in oil seals include rubber, fluoropolymer, and synthetic materials like PTFE (polytetrafluoroethylene). Each material offers unique properties that make it suitable for specific applications. For instance, rubber seals are known for their flexibility and resistance to oil and heat, making them ideal for low-pressure environments. On the other hand, PTFE seals are highly durable and resistant to extreme temperatures and chemicals, making them suitable for high-pressure and harsh conditions.
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3. Fluid types: Oil seals interact with oils, fuels, grease, water, and more. Choosing a seal material that is most compatible with your chosen medium can help to increase the durability of the seal and its internal components.
If these criteria are met, damage of the machine can be reduced, the time needed to replace the oil seals when performing repairs can be shortened, and the machine can be used for a longer period of time.
INTEGRATED OIL SEALS
Hydrogenated nitrile rubber (HNBR)
One of the primary advantages of natural rubber gaskets is their excellent sealing properties. Due to their inherent elasticity and compression set resistance, natural rubber gaskets can effectively conform to irregular surfaces, creating a tight seal that prevents fluids or gases from leaking. This is especially important in industries such as automotive and aerospace, where even the smallest leak can lead to catastrophic consequences.
The basic principle of sealing is straightforward – the flexible lip is held against the rotating part (usually the shaft) whilst the casing (or O.D.) is pressed into the housing or bore and holds the seal in place. The sealing lip needs some form of lubrication to avoid overheating and is usually energized by means of a garter spring.

What are Oil Seals and how do they work?
Are you looking for more information about the different materials, or do you have questions about which type of material you need, feel free to contact us.
Synthetic blend oil offers the best of both worlds. It has many of the characteristics of full synthetic oil, but at a much lower price. This type of oil is a mixture of synthetic and conventional base oils, plus some additives, for extra resistance to oxidation and excellent low-temperature properties. Synthetic blends make it easy for drivers to make the switch from conventional to synthetic oil, which is why this type of oil is becoming increasingly popular among today’s savviest drivers. It’s also a great middle ground for drivers who want the added protection and performance of a synthetic oil, but might not be ready to foot the bill for a total switch to full synthetic oil.
An oil seal is a type of mechanical seal used to prevent the leakage of oil from machinery components. The dimensions of an oil seal are usually specified in terms of its inner diameter, outer diameter, and thickness. For example, a 38x52x7 oil seal has an inner diameter of 38mm, an outer diameter of 52mm, and a thickness of 7mm.
Lip seals are passive mechanical devices used to close the shaft exit points on electric motors and other rotating machinery. The seals are made to keep moisture and dust out of the machinery’s inner constructions while having little to no impact on how well they work.
Finding oil spots under a parked vehicle can be both worrying and stressful for any vehicle owner. If the seal’s leak is small, oil may start to accumulate on the underside of the engine. But as the leak gets bigger, the oil leak will become visible in the front side of the engine.