DuPont Krytox 240

Krytox® 240 series greases are white, buttery greases with all of the same properties as the 143 series oils that they are made from, but they are in grease form. The 240 AZ, 240 AB and 240 AC meet MIL-PRF-27617 general specifications. Many of the other 240 series products meet other specifications for individual applications. DuPont™ Krytox® greases are based on perfluoropolyether (PFPE) oils. These synthetic fluorinated lubricants are used in extreme conditions such as continuous high temperatures up to 300 °C (572 °F) and higher temperatures for shorter periods, depending