Multilayer conduit having a polyester layer

摘要

A multilayer polymer hose or pipe conduit which contains at least one barrier layer of polyester, which acts as a barrier to fuel being carried thereby. In a preferred form of the invention, the hose or conduit has an inner polyamide protective layer, an outer polyamide protective layer, an adhesion promotor layer between the barrier layer and the inner protective layer, and another adhesion layer between the barrier layer and the outer protective layer.