HNBR
HNBR vs Buna-N Nitrile O-Rings: Same Fit, Longer Life
HNBR (Highly Saturated Nitrile) O-Rings drop into the same sizes as standard Buna-N and add higher heat, better wear, and longer service life. Full side-by-side.
HNBR (Hydrogenated Nitrile / HSN) O-Rings
HNBR (hydrogenated nitrile, HSN) O-Ring guide: temperature range, refrigerant and sour-gas resistance, cure systems, durometers, limitations, and the grades we stock.
