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• Not All Polyethylene is Equal: A Procurement Guide to HDPE Geomembrane Sheets

  Dec 17, 2025

  When your project calls for an impermeable geomembrane,HDPE is often the gold standard. But simply ordering an “HDPE liner” is not enough. As a buyer, you must understand the specifications that dictate quality, longevity, and ultimately, value for money. Here‘s what to discuss with your non woven geotextile suppliers(many of whom also supply geomembranes) or specialized manufacturers.   Key Specification Points for HDPE Geomembrane Sheet 1.Resin Quality: The heart of the product. Ask for virgin, high-quality resin (not recycled). This ensures consistent chemical resistance and long-term durability. The density should be ≥ 0.940 g/cm³. 2.Thickness & Tolerance: Thickness (e.g., 1.0mm, 1.5mm, 2.0mm) directly relates to puncture resistance and longevity....

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