Nickel Graphite filled Fluorosilicone is Fuel and Solvent resistant Conductive Elastomer chosen when looking for a blend of Good Shielding Performance, Cost Effectiveness, and the ability to seal environmentally in harsher applications. Great choice for many Commercial applications that require unique chemical resistances. Our 1124 is our 40 Durometer version for applications having less available closing forces and/or needs more conformity.