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http://dx.doi.org/10.12989/amr.2021.10.1.067

Effect of physical properties of samples on the mechanical characteristics of high-density polyethylene (HDPE)  

Kalmagambetova, Aizada (Department of Building Materials and Technologies, Karaganda Technical University)
Bogoyavlenskaya, Tatyana (Department of Building Materials and Technologies, Karaganda Technical University)
Publication Information
Advances in materials Research / v.10, no.1, 2021 , pp. 67-76 More about this Journal
Abstract
This study aimed an experimental data about the effect of physical properties of samples on the mechanical characteristics of high-density polyethylene (HDPE) used for the manufacture of preinsulated pipes for heating networks. The main waterproofing insulation material in the construction of preinsulated pipelines for heating networks is polyethylene. Outer outer casing of preinsulated pipes made of high density polyethylene (HDPE) are used as a waterproofing insulation of polyurethane foam of steel pipes manufactured in the factory. The sufficient resistances to cracking and mechanical stress, resistance to ultraviolet radiation, high density, high strength, low aging are main properties of HDPE. The study of HDPE of different manufacturers is relevant because of the aging of preinsulated pipelines with HDPE outer casing. In this study are tested physical characteristics of HDPE as a melt flow rate, density at 23℃, water content of PE80, PE100 pipe polyethylene of different world manufacturers. The best samples of HDPE and the effects of various aging factors on the properties of polyethylene are presented.
Keywords
building materials; polyethylene; HDPE; heating networks; material properties;
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