| abstract |
The present invention relates to a hose (400) and a composition having an improved fuel vapor barrier layer (10), wherein the composition comprises about 20 to 80 weight percent of a first fluorointerpolymer and about 80 to 20 weight percent of a second A mixture of fluorointerpolymers, wherein the first fluorointerpolymer is a copolymer formed by copolymerization of two or more monomers selected from the group consisting of hexafluoropropylene, vinylidene fluoride and tetrafluoroethylene A terpolymer or mixture thereof, wherein the second fluorointerpolymer is formed by copolymerization of two or more monomers selected from the group consisting of hexafluoropropylene, vinylidene fluoride and tetrafluoroethylene The first fluorointerpoly, comprising a polymer, a terpolymer or a mixture thereof It is characterized in that there is an elastomeric property and is in the second inter-fluoro polymer Summer plastic properties exist. |