HDPE Geomembrane (High-Density Polyethylene)
Common Applications
LLDPE Geomembrane (Linear Low-Density Polyethylene)
LLDPE geomembrane is softer than HDPE geomembrane and can better fit uneven ground. It is suitable for seepage control projects with soft or settling subgrades, unever foundation surfaces, or where both strength and flexibility are needed.
Common Applications
Environmental Landfills: Used for landfill liners, slope protection, and landfill covers. Especially suitable for certain sites with uneven settlement caused by waste.
Water Conservancy & Landscape: Used for seeepage control projects that need good ground conformity such as artificial lakes, canals, reservoirs, fish ponds, and shrimp ponds. .
Special Ground Conditions: Good for soft subgrades, backfilled areas, tailings ponds, and other places where uneven settlement may happen.
Transportation & Construction: Used for tunnel lining, underground parking waterproofing, metro projects, and canal lining on uneven ground.
Agriculture & Aquaculture: Suitable for some locations requiring low-temperature resistance and convenient construction such as biogas digesters, irrigation ponds, fish ponds, and livestock ponds.
PVC Geomembrane (Polyvinyl Chloride)
PVC geomembrane is made from PVC resin. It offers good flexibility and is easy to weld on site. It is widely used for seepage control in water conservancy, tunnels, and environmental projects.
Common Applications
Four Key Reasons for Selecting High-Quality Geomembranes
Reliable Seepage Control: High-quality geomembranes have a permeability coefficient of 10⁻¹³–10⁻¹⁴ cm/s. They effectively prevent leakages and protect soil and groundwater. In contrast, low-quality membranes often have coefficients around 10⁻⁷ cm/s, which poses a significant risk of water loss and pollution.
Built for Tough Conditions: Made from virgin resin, high-quality geomembranes offer superior puncture resistance, tear resistance, and environmental stress cracking resistance. They perform well on settling ground, around sharp objects, and in harsh chemical environments with a service life of 30–50 years. Conversely, membranes made from recycled material can crack easily and may last only 1–2 years.
Lower Lifetime Cost: While high-quality geomembrane have a higher initial cost, they require fewer seams, less repair, and fewer replacements. This significantly reduces the total cost over the project's lifespan.
Safe and Compliant: In critical projects like landfills and tailings ponds, a low-quality geomembrane can be catasrophic. High-quality products meet standards such as GB/T 17643 and are easier to pass project inspection.
Conclusion
Selecting the optimal geomembrane is a critical decision for the success of any waterproofing project. The right material, proper thickness, and correct installation will improve performance and extend the service life.
Whether your are managing a fish pond, reservoir, landfill, or mining site, Nuokun Geo is dedicated to providing expert guidance. We can help you navigate these choices to find the most effective, long-lasting solution tailored to your specific engineerinng needs.
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