Polyhexafluoropropylene oxide, or
poly-HFPO, is a
polymer compound, a fluorinated
polyether. It is insoluble in water, acids, bases, and most of organic
solvents. It is non-toxic and nonflammable, and has high thermal stability. Its properties are somewhat similar to
PTFE.
It is a fluoropolymer with a chemical structure consisting of long chains of [-CF(CF3)-CF2-O-] units.
Under the trade name Krytox it is used as a lubricant with military and aerospace applications.
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