Foamable fluoropolymer compositions containing no foaming agent

摘要

A composition comprising:
A) 50-99.9% by weight of at least a copolymer (1) of ethylene (E) with chlorotrifluoroethylene (CTFE) wherein CTFE is comprised between 53 and 70% by moles, having a crystallinity in the range 5-45%;
B) 0.1-50% by weight of a fine powder of a nucleating agent, having an average particle size lower than 50 micron and a melting temperature higher than 300°C.