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ISO 7685:2026

Glass-reinforced thermosetting plastics (GRP) pipes — Determination of initial ring stiffness ISO 7685:2026

Publication date:   Jan 7, 2026

General information

60.60   Standard published   Jan 7, 2026

ISO

ISO/TC 138/SC 6 Reinforced plastics pipes and fittings for all applications

International Standard

23.040.20   Plastics pipes

Buying

Published

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Scope

This document specifies methods for determining the initial ring stiffness of glass-reinforced thermosetting plastics (GRP) pipes. Two methods are given (constant load and constant deflection), and within the specified deflection limits, each is equally valid and can be used for any diameter.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7685:2019

NOW

PUBLISHED
ISO 7685:2026
60.60 Standard published
Jan 7, 2026




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