| 摘要 |
The invention relates to Polymer composition comprising at least 50 wt.% of a copolyester elastomer and at least 0.7 wt.% of a grease, an oil and/or a wax component, relative to the total weight of the polymer composition. The invention also relates to a plastic tube comprising at least an outer surface layer consisting of said polymer composition, and an automotive brake system, comprising a stretched plastic tube comprising the said plastic tube and a hose fitting inserted into an end-part of the said plastic tube. |
