922 Research Institute (Koga City, Ibaraki Prefecture, President: Yuji Hofuku) has added new functions to its functional rubber material e-NBR (trademark registered), which has tensile strength equivalent to that of hydrogenated nitrile rubber (H-NBR). The lineup now also includes the newly added grades e-NBRX, e-NBRY and e-NBRZ. e-NBR is a functional rubber material that Hofuku has been developing since he…