A highly refined blend of aluminum, copper and graphite lubricants. Use during assembly to prevent galling, corrosion and seizing and to assure easier disassembly. Temperature range: -60 to 1,600 degrees Fahrenheit. Salt, corrosion and moisture resistant for marine use. For easy removal of spark plugs, cylinder head and exhaust head bolts. Meets Mil Spec #907E, Level 3 NFPA Fire Code. Tube, carded.