Multi-layered fuel feed pipe

摘要

Multi-layered fuel feed pipe, wherein the feed pipe comprises at least five layers with the following layer structure from the inside to the outside: an innermost layer consisting of at least one polymer from the group “polyamide, fluoropolymer, polyphenylene sulfide, polybutylene naphthalate”, a first support layer consisting of polyamide, a barrier layer, a second support layer consisting of polyamide, an outer layer consisting of at least one polymer from the group “polyamide, polyphenylene sulfide, polyphthalamide”.