DS DS/EN 1979
DS DSEN 1979 1999-MAY-20 Plastcs ppng and ductng systems - Thermoplastcs sprally-formed structured-wall ppes - Determnaton of the tensle strength of a seam
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This standard specifies a method for determining the tensile strength of a seam in a spirally-formed thermoplastics pipe. It is applicable to all such thermoplastics pipes, regardless of their intended use.