Polytetrafluoroethylene (PTFE) is one of the most interesting substances in lubricants. A long, heavy, chain-shaped molecule accidentally discovered by Roy Plunkett at DuPont in 1938, while attempting to create a new refrigerant. It contains only two elements, carbon and fluorine, is inert (non-reactive), hydrophobic and has one of the lowest friction coefficients of any known substance.

• Lubricate bolts or nut/bolt combinations.

• For assembly temperatures from –40 to +260 °C (–40 to +500 °F).

• A small tube will last non-pros years.

• Keep an eye on expiry dates.

• Read packaging for exact temperature range.

• Always wear Eye Protection.

• Always wear Skin Protection.