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What are the advantages of different types of oil rubber seals?

Update:19-08-2022
Summary:

NBR Nitrile Rubber Nitrile Rubber is the most common ty […]

NBR Nitrile Rubber
Nitrile Rubber is the most common type of elastomer used in the sealing industry. It has high elasticity and superior mechanical strength, with good deformation behavior between -30 and 100 degrees Celsius. Its lower heat resistance makes it a popular choice for oil and fuel resistant seals. NBR is also used in adhesives and pigment binder products.

While nitrile has several benefits over other types of rubber, it is not suitable for all applications. It has limitations when it comes to certain fluids and is incompatible with phosphate-ester hydraulic fluids. It is also incompatible with sunlight and has poor weather resistance. It is not suitable for high-temperature applications, but it can be improved through compounding. Lastly, NBR o-rings should not be stored near ozone-generating equipment.

Chloroprene
Chloroprene is a polymer with excellent mechanical properties. It also exhibits good flame and abrasion resistance, and is highly resistant to oxidizing agents and heat. It is commonly used in oil and gas applications. Typical applications include belting, coated fabrics, gaiters, and oil rubber seals. Polyurethanes are a family of synthetic rubbers that fall into two basic groups: polyester and polyether. These materials have excellent mechanical, chemical, and electrical properties, making them ideal for oil and gas applications.

Among its benefits, chloroprene is resistant to oil and solvents. It is an excellent choice for oil-resistant neoprene packing pads and gaskets. Moreover, the material is easily cleaned and repairable, making it a great choice for sealing a motor vehicle sump. It can also be used for sealing other fluid-filled parts, such as oil tanks and water pipes.

Silicone Rubber
Silicone rubber oil seals are made from a variety of materials. Among them are PTFE, FKM, NBR, EPDM, PTFE, and silicon. These materials exhibit high resistance to oil, water, and ozone. They are often used in applications that come into contact with human body fluids. Whether the material is used for a mechanical seal or an insulating layer, silicone is a versatile choice.

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