High Quality NBR FKM ACM VMQ Materials Oil Seal

　　The manufacturing of high-quality oil seals is a meticulous process that
requires the selection of appropriate materials. The choice of material
significantly influences the performance, durability, and overall lifespan of
the oil seal. This article explores some of the most commonly used materials in
the production of high-quality oil seals.

　　Nitrile Rubber (NBR)

　　Nitrile Rubber, also known as NBR, is one of the most commonly used
materials for oil seals. It is a synthetic rubber copolymer of acrylonitrile
(ACN) and butadiene. NBR is known for its excellent resistance to petroleum
oils, mineral oils, vegetable oils, and many acids. It also exhibits good
abrasion resistance and tensile strength. These properties make NBR an ideal
choice for applications where the oil seal is exposed to harsh conditions.
However, it’s worth noting that NBR’s performance may degrade with exposure
to ozone, sunlight, or weather.

　　Fluoroelastomers (FKM)

　　Fluoroelastomers, often referred to by the brand name FKM, are another
popular choice for oil seals. FKM is a type of synthetic rubber known for its
exceptional resistance to heat, chemicals, and oil. It can withstand
temperatures up to 250°C, making it suitable for high-temperature
applications. FKM also offers excellent resistance to aging and ozone. However,
it’s more expensive than NBR and may not be the best choice for low-
temperature applications.

　　Polyacrylate (ACM)

　　Polyacrylate, or ACM, is a class of polymers that are noted for their
transparency and resistance to heat and UV radiation. ACM oil seals are
particularly effective in operating environments that involve exposure to high
temperatures and oils. They offer good resistance to mineral and synthetic oils
and are often used in automotive applications for this reason. However, they
have poor low-temperature performance and are not suitable for applications
involving water or glycol-based brake fluids.

　　Silicone (VMQ)

　　Silicone oil seals (VMQ) are known for their excellent heat resistance and
are capable of withstanding temperatures up to 225°C. They also have good cold
flexibility and are resistant to ozone and weathering. However, they have poor
tensile strength and tear resistance compared to other materials like NBR or
FKM.

　　The selection of material for manufacturing high-quality oil seals depends
on the specific application requirements. Factors such as operating temperature
range, exposure to different types of fluids or chemicals, and mechanical
stress all play a role in determining the most suitable material. By
understanding these factors and the properties of different materials like NBR,
FKM, ACM, and VMQ, manufacturers can produce high-quality oil seals that meet
diverse application needs.

Minimum Order: 100 pieces