ISO 10468-2023 PDF

Full title and description

ISO 10468:2023 — Glass-reinforced thermosetting plastics (GRP) pipes — Determination of the ring creep properties under wet or dry conditions. This International Standard specifies laboratory methods to determine ring creep behaviour (creep factor and long-term creep stiffness) of GRP pipes tested either in total immersion (wet) or in dry conditions.

Abstract

This document describes procedures to measure ring creep properties of glass‑reinforced thermosetting‑plastic (GRP) pipes. It defines test specimen preparation, test conditions (wet — total immersion in water — and dry), measurement and calculation of the creep factor and the long‑term specific ring creep stiffness, and the reporting of test results. Dry testing is typically used for material consistency/quality control; wet testing is used to simulate long‑term service performance in humid or submerged environments.

General information

• Status: Published
• Publication date: July 2023 (Edition 3 — published 28 July 2023)
• Publisher: ISO (International Organization for Standardization)
• ICS / categories: 23.040.20 (Plastics pipes)
• Edition / version: Edition 3 (2023)
• Number of pages: 9

Scope

Applies to laboratory determination of ring creep properties for GRP pipes made from glass‑reinforced thermosetting plastics. The standard covers test specimen selection and preparation, apparatus and environmental conditions for wet and dry tests, procedures for load application and measurement, calculation methods for the creep factor and long‑term creep stiffness, and requirements for reporting results. It is intended for use where ring creep behaviour is required for product characterization, quality control and long‑term performance assessment.

Key topics and requirements

• Definition of ring creep properties: creep factor and long‑term specific ring creep stiffness.
• Test methods for wet (total immersion) and dry conditions.
• Specimen preparation, dimensions and conditioning prior to testing.
• Loading conditions, test durations and measurement procedures.
• Calculation procedures for creep factor and long‑term creep stiffness.
• Requirements for data recording, uncertainty considerations and result reporting.
• Guidance on intended use of dry testing (material consistency) and wet testing (simulated service conditions).

Typical use and users

Used by GRP pipe manufacturers, independent test laboratories, material and quality engineers, pipeline designers and specifiers, conformity assessment bodies and researchers. Typical applications include routine quality control of production batches, type‑testing during product development, verification of long‑term performance for specifications and acceptance testing for infrastructure projects.

Related standards

Standards commonly referenced alongside ISO 10468 include other GRP/piping and test method standards from ISO/TC 138/SC 6 such as ISO 10467 (GRP piping systems for drainage and sewerage), ISO 10471 (GRP long‑term bending and ring deflection tests), ISO 10466 (tests to prove resistance to initial ring deflection), ISO 7432 (test methods for locked socket‑and‑spigot joints) and ISO 25780 (GRP piping for water/irrigation/drainage). National or regional transpositions (EN, DIN, BS, etc.) may exist with supplemental editorial material.

Keywords

GRP pipes, glass‑reinforced thermosetting plastics, ring creep, creep factor, long‑term creep stiffness, wet testing, dry testing, pipe testing, ISO 10468

FAQ

Q: What is this standard?

A: ISO 10468:2023 is an international test method standard that specifies how to determine ring creep properties (creep factor and long‑term creep stiffness) of glass‑reinforced thermosetting‑plastic (GRP) pipes under wet or dry conditions.

Q: What does it cover?

A: It covers specimen preparation, test apparatus and environmental conditions, procedures for carrying out wet (immersion) and dry ring creep tests, calculation methods for reporting creep factor and long‑term creep stiffness, and the documentation of results.

Q: Who typically uses it?

A: GRP pipe manufacturers, independent test laboratories, designers and specifiers of piping systems, certification bodies, and researchers use this standard for product development, quality control and long‑term performance assessment.

Q: Is it current or superseded?

A: ISO 10468:2023 (Edition 3) is the current published edition (July 2023). It replaces earlier editions, including ISO 10468:2018 and the original ISO 10468:2003 series.

Q: Is it part of a series?

A: Yes. ISO 10468 is part of a family of ISO standards covering GRP pipes and test methods (other related documents include ISO 10467, ISO 10471, ISO 10466 and related test and system standards maintained by ISO/TC 138/SC 6).

Q: What are the key keywords?

A: GRP, glass‑reinforced thermosetting plastics, pipes, ring creep, creep factor, long‑term creep stiffness, wet test, dry test, pipe testing.