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公开(公告)号：BRPI0700736A
公开(公告)日：2007-11-06
申请号：BRPI0700736
申请日：2007-03-14
Applicant: DEGUSSA
Inventor： DOWE ANDREAS , BOEER MICHAEL , KUHMANN KARL , SCHMITZ GUIDO-JAHN
IPC: F16L11/08
Abstract: Pipe comprises layers, which are an outer layer (a) of molded mass containing at least 40 wt.% of a polyamide, whose monomer units in the agent contains 8 carbon atoms and a layer (c) of polypropylene molded mass, where the outer diameter of the pipe is 6-20 mm, wall thickness lies at 1-2 mm and the thickness of the polypropylene molded mass layer amounts to 25-75% of the wall thickness.
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