Buna-N O-Ring
Buna-N - a copolymer of Butadiene and Acrylonitrile. Also know as nitrile rubber and is a synthetic blend of acrylonitrile and butadiene. Generally resists fuels and oils. Avoid highly polar solvents such as acetone, MEK, etc.. and direct exposure to ozone and sunlight.
Features of Buna-N:
- ASTM D1418 XNBR
- Temperature range: -40 to 120 °C
- Durometer: 70
- Resistance to compression set: 2
- Color: Black or Brown