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Nitrile rubber (NBR)

Applications of Nitrile Rubber
The uses of nitrile rubber include disposable non-latex gloves, automotive transmission belts, hoses, O-rings, gaskets, oil seals, V belts, synthetic leather, printer’s form rollers, and as cable jacketing; NBR latex can also be used in the preparation of adhesives and as a pigment binder.

Unlike polymers meant for ingestion, where small inconsistencies in chemical composition/structure can have a pronounced effect on the body, the general properties of NBR are insensitive to composition. The production process itself is not overly complex; the polymerization, monomer recovery, and coagulation processes require some additives and equipment, but they are typical of the production of most rubbers. The necessary apparatus is simple and easy to obtain.

Nitrile rubber has high resilience and high wear resistance. However, it has only moderate strength along with limited weathering resistance and poor aromatic oil resistance. Nitrile rubber can generally be used down to about -30C but special grades of NBR can work at lower temperatures too. Following is the list of Nitrile Rubber Properties.

● Nitrile Rubber belongs to the family of unsaturated copolymers of acrylonitrile and butadiene.
● The physical and chemical properties of nitrile rubber vary depending on the polymer’s composition of acrylonitrile.
● Different grades are available for this rubber. The higher the acrylonitrile content within the polymer, the higher the oil resistance.
● It is generally resistant to fuel and other chemicals.
● It can withstand a range of temperatures.
● It has inferior strength and flexibility, compared to natural rubber.
● Nitrile rubber is also resistant to aliphatic hydrocarbons.
● It is less resistant to ozone, aromatic hydrocarbons, ketones, esters and aldehydes.
● It has high resilience and high wear resistance but only moderate strength.
● It has limited weathering resistance.
● It can generally be used down to about -30 degree celcius , but special grades can also operate at lower temperatures.

Post time: Mar-10-2022