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Geomembrane
LLDPE geomembrane is a flexible anti-seepage material made of high-quality linear low-density polyethylene resin (LLDPE) through co-extrusion blown film or calendering extrusion process. This product has good ductility, flexibility and chemical corrosion resistance, and is widely used in various anti-seepage, anti-leakage and sealing projects, especially suitable for projects with complex terrain and irregular foundations.
PARAMETER | METHOD | UNIT | RESULTS GM150H |
Thickness | ASTM D5199 | mm | 1.5 |
Tensile Strength at Break | ASTM D6693 | N.mm-1 | Min. 40 |
Tensile Elongation at Break | ASTM D6693 | % | Min. 800 |
2% Modulus | ASTM D5323 | N.mm-1 | Max. 630 |
Puncture Resistance | ASTM D4833 | N | Min. 370 |
Tear Resistance | ASTM D1004 | N | Min. 150 |
Carbon Black Content | ASTM D1603 | % | 2.1 |
Carbon Black Dispersion | ASTM D5596 | – | 9 in cat.1 |
Features:
Excellent Flexibility
Higher elongation compared to HDPE geomembrane
Easily adapts to uneven or complex subgrades
Reduces risk of cracking under stress
Ideal for: irregular surfaces and settlement-prone areas
High Tensile Strength & Elongation
Strong resistance to tearing and puncture
Elongation at break can reach 600%+
Maintains integrity under deformation
Superior Crack Resistance
Excellent stress crack resistance
Performs well in long-term loading conditions
Suitable for harsh environmental conditions
Wide Temperature Adaptability
Performs well in both high and low temperatures
Maintains flexibility even in cold environments
Typical range: -60°C to +60°C
Strong UV & Aging Resistance
UV-stabilized for long-term outdoor exposure
Resistant to oxidation and weathering
Application Fields:
Agricultural pond/reservoir anti-seepage
Artificial lake, landscape pool, waterscape project
Sewage treatment pool, chemical waste liquid pool
Landfill anti-seepage cover
Mine tailings dam anti-seepage
Tunnels, basements, subway waterproofing layer
Rooftop greening root barrier
Fish pond, shrimp pond, aquaculture pond
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Customized Service:
Specification customization: Different thickness, color and other specifications can be customized according to customer needs.
Packaging customization: Different packaging methods can be customized according to customer needs, such as roll packaging, pallet packaging, etc.
Production Scenario:
Raw material preparation: Select high-quality HDPE raw materials and undergo strict quality inspection.
Sheet production: Process HDPE raw materials into sheets.
Ultrasonic welding: Use advanced ultrasonic welding equipment to weld the sheets into a three-dimensional mesh structure.
Quality inspection: Strict quality inspection of finished products to ensure that the products meet national standards and customer requirements.
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Certificates:
Product quality certification: Passed ISO9001 quality management system certification, CE certification, etc.
Product test report: Provide product test reports issued by authoritative organizations.
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FAQ:
What is LLDPE geomembrane?
LLDPE geomembrane is a flexible anti-seepage membrane made of linear low-density polyethylene (Linear Low-Density Polyethylene). It has good tensile strength, flexibility and chemical corrosion resistance. It is widely used in environmental protection, water conservancy, agriculture and construction projects for anti-seepage and anti-leakage.
What are the thickness specifications of LLDPE geomembrane?
Conventional thicknesses include: 0.5mm, 0.75mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, which can be customized according to project requirements.
Can the color and size of the membrane be customized?
Yes. We provide a variety of colors (black, green, white, etc.) and widths (up to 8 meters), and also support customized lengths, rough surfaces, composite structures and other personalized services.
Can LLDPE geomembrane be used in low temperature environments?
Yes, LLDPE geomembrane has excellent low temperature resistance and can still maintain good flexibility at -55℃, which is suitable for engineering use in high-cold areas.
How is LLDPE geomembrane constructed? Does it require professional equipment?
The construction mainly uses hot melt welding technology, such as hot wedge welding machine and hot air welding gun. Although LLDPE membrane is easier to weld, it is still recommended to be installed by a professional construction team to ensure the anti-seepage performance of the seams.
0.3-3.0mm Black LLDPE geomembrane
LLDPE geomembrane is a flexible anti-seepage material made of high-quality linear low-density polyethylene resin (LLDPE) through co-extrusion blown film or calendering extrusion process. This product has good ductility, flexibility and chemical corrosion resistance, and is widely used in various anti-seepage, anti-leakage and sealing projects, especially suitable for projects with complex terrain and irregular foundations.