The oleophobic fluoropolymer solids are dispersed primarily in water, but may also contain relatively small amounts of acetone and ethylene glycol or other water-miscible solvents and surfactants that were used in the polymerization reaction when the fluoropolymer solids were made. [0053] The coating 28 is disposed on and around surfaces of the nodes 22 and fibrils 24 that define the interconnecti