Acrylonitrile Butadiene, NBR Nitrile, Carboxylated Nitrile, Hydrogenated Nitrile, Fluorocarbon, Mumbai,

ASTM Classification : BF/ BG / BK

Temperature Range : - 30°C to 100°C (General Compounds)
          - 50°C to 125°C(Specially formulated Compounds)

Also known as Acrylonitrile Butadiene Rubber / BUNA N / Nitrile is a copolymer of Acrylonitrile & Butadiene in which Acrylonitrile content varies from 18% to 50%.

NBR (Nitrile) can be classified into 4 categories s below:

High or Ultra High Nitrile : Acrylonitrile (ACN) content between 36% to 50%

Medium High Nitrile : Acrylonitrile (ACN) content between 30% to 35%

Medium Nitrile : Acrylonitrile (ACN) content between 25% to 29%

Low Nitrile: Acrylonitrile (ACN) content 24% or lesser

Increasing ACN content Oil/Fuel & Heat Resistance improves considerably, however low temperature flexibility & resilience are compromised.

Medium High Nitrile (ACN Content 30 - 35%) offers good overall balance of all properties, hence is most widely used in the production of O'Rings, Seals & Other Moulded, Extruded Rubber Products.

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