NBR and HNBR are two of the most widely used elastomers in the world today. While they have a lot of similarities, such as their ability to withstand high temperatures and their resistance to most chemicals and oils, there are also some key differences between them.
NBR (Nitrile Butadiene Rubber) is a synthetic rubber that is composed of acrylonitrile and butadiene. It is commonly used in automotive and industrial applications due to its excellent resistance to oil and fuel, as well as its ability to resist most acids and alkalis. On the other hand, HNBR (Hydrogenated Nitrile Butadiene Rubber) is a special type of synthetic rubber that is composed of acrylonitrile, butadiene, and hydrogen.
It is more resistant to heat and chemicals than NBR, and it is also more resistant to swelling and shrinking. HNBR is a great choice for applications that require more durability and longevity, such as gaskets and seals.
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