abstract |
The disclosed subject matter includes 15-50% by weight of a tetrafluoroethylene copolymer with monomers unsaturated with polytetrafluoroethylene or other ethylene; 30-84.5% by weight of perfluoroether oil having a viscosity comprised between 20 and 4000 cst at 20 ° C; 0.5-10% by weight of a surfactant or dispersant having a perfluoropolyether or perfluoroalkyl chain; And at least 0-10% by weight of an anticorrosion and / or antiwear additive, wherein the (per) fluoropolymer particles or their totals based on the tetrafluoroethylene have an average size smaller than microns, A fluorine grease exhibiting an improved diameter wear value. |