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March 29, 2026Polymer International

Comparative study of the behavior of chlorinated polyvinyl chloride and random polypropylene pipes under hydrothermal aging

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Authors

HBHind BennisRERabiaa ElkoriAHAbdelilah Hachim

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Overview

Compares the mechanical properties of CPVC and PPR pipes under hydrothermal aging, indicating potential service life insights.

Key Points

  • The central aim is to explore how hydrothermal aging affects the mechanical properties of CPVC and PPR piping materials.
  • Conducted aging tests at temperatures of 23, 69, and 90 °C over 90 days.
  • Performed tensile tests to measure strength and elongation changes.
  • Applied a static damage model for lifetime prediction under hydrothermal conditions.
  • PPR tensile strength decreased from 40 to 28 MPa, while CPVC's declined from 75 to 52 MPa.
  • Both materials experienced a reduction in elongation at break with increasing temperature.
  • Findings suggest that CPVC performs better than PPR in hydrothermal aging.

Cite This Study

Bennis et al. (2026) studied this question.

synapsesocial.com/papers/69c8c247de0f0f753b39c85fhttps://doi.org/10.1002/pi.70118
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