Patent ID: 9605134
Date: 2017-03-28
CPC Classifications: C08K

Claim:
1. A composition comprising (i) tetrafluoroethene polymer selected from the group consisting of tetrafluoroethene homopolymer and tetrafluoroethene copolymers containing from 0 to 1.0% by weight of comonomers based on the weight of the polymer, the comonomer selected from the group consisting of (i) a perfluorinated alpha-olefin having the general formula C (ii) fibers selected from the group consisting of carbon fibers, and fibers containing silicon nitrides, silicon carbides, or inorganic oxides selected from silica or alumina, and combinations thereof; and (iii) hollow glass microspheres wherein 50 vol % of the hollow glass microspheres have a particle size between 5 μm and 80 μm.