Home » Training » Trailer Glossary » Hydrogenated Nitrile Butadiene Rubber (HNBR) Hydrogenated Nitrile Butadiene Rubber (HNBR)Hydrogenated Nitrile Butadiene Rubber (HNBR) is produced by hydrogenation of Nitrile Butadiene Rubber (NBR). HNBR is known for its high mechanical strength, heat and oxidation stability, and resistance to oils, fuels, and coolants.Also known as: Highly Saturated Nitrile (HSN) Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)