Comparing various geomembranes for your geosynthetic application? Don’t overlook high-density polyethylene (HDPE) geomembrane. HDPE has been use for many years and through that point numerous reports have been conducted to evaluate its longevity and ability in order to meet environmental sustainability project requirements. Here, we explore some of those studies to check the benefits of HDPE in comparison with other geomembranes types including polyvinyl chloride (PVC).

So how exactly does HDPE Compare With PVC as well as other Geomembrane Types?
As being a waterproofing liner, a HDPE geomembrane is favored over other materials due to the modest economic and operational advantage. Economically, HDPE geomembrane is superior thanks to its relatively straightforward manufacturing process, that has driven up supply and kept prices lower in contrast along with other forms of geomembranes. Fat loss design engineers become familiar with the material, growing competence in its use further promotes its market dominance and economic edge over competing products.

Secondly, HDPE continues to be favored due to the physical properties. While tests run on PVC and HDPE show hardly any practical differences, HDPE does have a tendency to outperform PVC and other geomembranes in areas such as potential to deal with folding damage and dynamic impact. Furthermore, the material is a very stable polyolefin which is chemically inert capable to maintain long-term integrity and durability. These properties increase the risk for HDPE geomembrane a trendy option to waterproof and seal landfills and also other containment applications.

HDPE geomembrane can even be manufactured with additives to amplify certain qualities.

How Does the HDPE Geomembrane Bring about Environmental Sustainability?
In contrast to other geomembranes, HDPE has got the highest theoretical unexposed service life at >100 years. This high service life potential makes HDPE a powerful tool for environmental sustainability efforts for example the safe closure of a landfill.

In the case of exposed liner, one study, a HDPE geomembrane subjected to Decade of ultraviolet radiation and wastewater showed no significant alteration of physical properties (e.g., tensile, tear, puncture, and carbon black). The only real observed difference is at tensile elongation and melt index, both regarded as due to material cross-linking due to UV exposure. However, sunlight exposure within the 10-year period did little to impact a lot of the material’s properties insomuch that it was nearly indistinguishable from a newly manufactured sample.

Case study demonstrates the capable role of HDPE geomembrane in environmental sustainability. Furthermore, it implies that today’s HDPE should be expected to execute with a more impressive range thanks to technological improvements in resin stabilization and sheet manufacturing techniques.


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