A perfluoropolyether base oil, PTFE thickened, medium viscosity, completely fluorinated grease for use in high temperature applications that can be exposed to fuels or aggressive chemicals. It possesses excellent thermo-oxidative stability and low vapour pressure characteristics. (formerly Nye Fluoroether Grease 842).
Ford: WSB-M1C242-A, GM: 9986173
Recommended service temperature range is -50 to 225 C
Material Safety Data Sheet available on request