Patent ID: 8835551

Claim:
An iodine containing amorphous fluoropolymer composition comprising a first fluoropolymer having a cure site wherein the cure site is an iodine group derived from 1,4-diiodooctafluorobutane, and the cure site is present in an amount of from 0.25 to 1 mol %, further wherein the first fluoropolymer has a total weight percent of iodine of from 0.2 to 2 wt %, and further wherein the first fluoropolymer comprises repeating units derived from vinylidene difluoride and hexafluoropropylene and has a Mooney viscosity of 2 or less, ML 1+10, at 100° C. according to ASTM D1646-06 TYPE A, and further wherein the first fluoropolymer has a storage modulus at 25° C. and 6.3 rad/s of greater than or equal to 300 kPa and at 25° C. and 0.1 rad/s of less than or equal to 200 kPa.