Reference number
ISO 18488:2015
© ISO 2024
International Standard
ISO 18488:2015
Polyethylene (PE) materials for piping systems — Determination of Strain Hardening Modulus in relation to slow crack growth — Test method
Edition 1
2015-09
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Published (Edition 1, 2015)
This publication was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 18488:2015

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Format
CHF 63
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Abstract

ISO 18488:2015 specifies a method for the determination of the strain hardening modulus which is used as a measure for the resistance to slow crack growth of polyethylene.

The strain hardening modulus is obtained from stress-strain curves on compression moulded samples. This International Standard describes how such measurement is performed and how the strain hardening modulus shall be determined from such a curve. Details of the required equipment, precision, and sample preparation for the generation of meaningful data are given.

ISO 18488:2015 provides a method that is valid for all types of polyethylene, independent from the manufacturing technology, comonomer, catalyst type, that are used for pipes and fittings applications.

NOTE This method could be developed for materials for other applications.

General information

  • Status
     : Published
    Publication date
     : 2015-09
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 10
  • Technical Committee :
    ISO/TC 138/SC 5
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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