... VITON,SILICON,NR ... 2,different size 3.samples for free Detailed Product Description Material: NBR, silicon ... efficient seals.2.The structure of sealing part is very simple,for this reason,it could be ... could not only be used for its good sealing performance, but also for its mechanical performances, it ... as NBR, SBR, Silicone, FPM5. Application: For industry machines seal, water seal, oil seal and ...