A non-fluorinatedrubber tie layer may be included between the barrier and the reinforcement.
非氟化橡胶连结层可以被包括在阻隔层和加强件之间。
2
Usually fluorinated copolymer unit, said the number of fluorine atoms, such as fluorine rubber, 23, is a vinylidene fluoride copolymers with chlorotrifluoroethylene.