... lipid polarsolventsHNBRKeep the feature of NBR, Heat Resistance, Oil Resistance and Weather Resistance are better than NBRACMKeep the ... , Inorganic medicines Resistance and weather Resistance.But the oil Resistance is bad.SBRGood Polarity solvent resistance, weather ... properly gets stuck, shaft sealing function; 5, Resist heat, the wear-resisting, strength, excellent medium (oil or water), 6, long ...