O-Rings NBR 90 (Nitrile) Shore A

Black NBR 90 O ring, also known as a Nitrile 90 o-ring or Buna-N 90 O’Rings most widely used elastomer in the seal industry today.

NBR is a standard material for Hydraulics and Pneumatic. NBR 90 / Nitrile 90 O-Rings resist oil-based hydraulic fluids, fats, and oils that need high pressure.

Temperature Range -30°C to +120°C with Durometer/Hardness 90. For Hardness 70 you can check the O-Ring NBR shore A 70 specification.