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Good mechanical performance from NBR

Excellent performance in animal and vegetable fats

Acrylonitrile-Butadiene Rubber (NBR) is a good choice for applications where seals will not be exposed to harsh cleaning regimes, ozone or superheated steam. These materials are copolymers of butadiene and acrylonitrile. The percentage of these in the NBR formulation determines their performance characteristics.

NBR materials:

  • Give good mechanical properties.
  • Have long-term operating temperatures from -30°C to +100°C / -22°F to +212°F and up to 120°C / 248°F for short periods.
  • Special formulations give good resistance to hydrocarbons of high aromatic content and water.
  • Ideal for meat and poultry processing they have excellent performance in animal and vegetable fats.

Grades are available that are compliant to FDA 21 CFR177.2600 and 3-A standards.

NBR Compounds
N702770 Shore A
FDA, NSF51, NSF61, KTW, W270, ACS
N700770 Shore A
FDA, 3-A, KTW
N860480 Shore A
FDA, 3-A, WRAS

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