O-RING MATERIAL
NBR
Nitrile rubber
Four established elastomer families.
Filter by the dominant operating condition. The table is a screening tool, not a substitute for application testing.
- Typical service window
- Approx. −34 to +121 °C
- Typical hardness
- Common quote band: 60–90 Shore A
- Where it performs
- Mineral oils, many fuels, good wear and broad industrial availability.
- Watch-outs
- Usually not the first choice for ozone, weathering, ketones or strong oxidising media.
- Common applications
- Hydraulic and pneumatic equipment, oil-contact seals, general machinery.
Send the conditions—not just an O-ring colour.
Share a drawing, sample or the operating data above. We will structure the next conversation around a material, size and verification plan.