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Polymer Types - NBR L - Nitrile butadiene rubber - low ACN...

Clwyd reference

NBR L (low% acrylonitrile)

ASTM classification NBR

Copolymer of acrylonitrile and butadiene. The oil resistance and low temperature properties of the compounded material can vary considerably, depending on the acrylonitrile content of the base polymer.

Typical applications Oil resistant applications in automotive, marine and aircraft fuel systems
Advantages Good resistance to oils and non-polar solvents
Disadvantages

Poor ozone and weathering resistance
Poor steam resistance

 
Available hardness range (Shore A) 40 - 90
Upper continuous service temp. (°C) 150
Min. temp. for sealing applications (°C) -40
Minimum non-brittle  temp.  (°C) -55
Tensile strength (up to) 30 MPa
Elongation at break (up to) 500%

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