high quality rubber o-rings 1.material: NBR,VITON,SILICON,NR ... 2,different size 3.samples for free Detailed Product Description Material: NBR, silicon rubber, fluorin rubber, PTFE.Working temperature: -35-+250Working pressure: ≤32MpaWorking medium: hydraulic pressure oil, lube, air, water. Details of Hydraulic Rubber O-Ring :1. O-rings is the simplest parts in the field of seals, although it's ...