Definition(s)
NBR
Nitrile butadiene rubber.
Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
Nitrile butadiene rubber.
Source: API RP 17B, Recommended Practice for Flexible Pipe, Fourth Edition, July 2008. Global Standards