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ISO 8149:2025

Unplasticized polyamide (PA-U) pipes — Effect of time and temperature on the expected strength

Standard Details

This document specifies the minimum values for expected strength as a function of time and temperature in the form of reference lines, for use in calculations on unplasticized polyamide (PA-U 180) extruded pipes.

NOTE 1        PA-U 180 follows ISO 16486-1 in terms of minimum strength values and covers both PA-U11 180 and PA-U12 180.

NOTE 2        As there is not test data available for other types of polyamide (e.g. PA-U 160) this document does not currently contain appropriate reference lines for these materials. Future revisions will include other types of polyamide when sufficient test data becomes available.

General Information

Status : Published
Standard Type: Main
Document No: ISO 8149:2025
Document Year: 2025
Pages: 7
Edition: 1
  • Section Volume:
  • ISO/TC 138/SC 5. General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications

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ISO 8149:2025
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