Buna (or Nitrile) O-Rings are recommended for
- Great for all but the most extreme applications
- It works from -40°F to 250°F
- Good wear resistance
- Works with oils
Not Recommended for
- With brake fluid, ketones, and some hydraulic fluids.
- It is not resistant to weathering, sunlight, and ozone unless a special compound is used.
Metric sizes come in millimeters.