... 40-80 Shore A Protect cable and wires, UV,O-zone resist NBR rubber grommets/cable grommetsMaterial: NBR compoundHardness: 40- ... 80 Shore AProtect cable and wires, UV,O-zone resistApplications: to provent against ... EPDM,Neoprene, FKM, Silicone, or Custom materials.Hardness: From 30 to 85 shore A durometer.Colors:Black, and Custom colors ...