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ISO 13956:2025

Plastics pipes and fittings — Decohesion test of polyethylene (PE) saddle fusion joints — Evaluation of ductility of fusion joint interface by tear test

Publication date:   Nov 7, 2025

General information

60.60   Standard published   Nov 7, 2025

ISO

ISO/TC 138/SC 5 General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications

International Standard

23.040.60   Flanges, couplings and joints

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Scope

This document specifies a method for the evaluation of the ductility of the fusion joint interface of assemblies of polyethylene (PE) pipe and electrofusion saddles, intended for the conveyance of fluids.
NOTE            The applicability of this method depends upon the design of the saddle. If not applicable, the strip-bend test according to ISO 21751[1] is considered an alternative.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 13956:2010

NOW

PUBLISHED
ISO 13956:2025
60.60 Standard published
Nov 7, 2025