Assertion: nitrile butadiene | /r/HasProperty | nbr
Facets:
Source sentences:
text: The copolymers prepared from butadiene and styrene and/or acrylonitrile, such as acrylonitrile butadiene styrene (ABS), nitrile-butadiene (NBR) and styrene-butadiene (SBR) are tough and/or elastic.