Why nbr gummi is the king of oil resistance

If you've ever looked under the hood of your car or taken apart a leaky kitchen faucet, you've almost certainly handled nbr gummi without even knowing it. Often referred to simply as Nitrile or Buna-N, this synthetic rubber is the absolute backbone of the automotive and industrial worlds. It's not the flashiest material out there—it doesn't have the high-tech allure of carbon fiber or the classic feel of leather—but when it comes to keeping oil where it belongs, nothing else really competes on the same level. ...

May 6, 2026 · 6 min · Foreman Michels