Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile (HSN) is special class of nitrile rubber (NBR) and is for mission critical applications. The HNBE O Ring can be bear the impact, bear the freon(F12, R123a), bear the oil, and watertightness, defendtheultravioletray, bear the corrosion.
