600g/m² composite geomembrane with two layers of non-woven geotextile and one HDPE membrane for anti-seepage

Short Composite Geomembrane

Product Overview
Composite geomembrane is an impermeable material formed by laminating geotextile with geomembrane, primarily used for seepage prevention and isolation. It is available in various structural configurations, including one geotextile/one geomembrane (1G1M), two geotextiles/one geomembrane (2G1M), and three geotextiles/two geomembranes (3G2M). Manufactured using polymer materials and anti-aging additives, it remains functional under extreme temperature conditions.

Performance Characteristics

  • High tensile, tear, and puncture resistance

  • Excellent strength with high elongation capacity and deformation modulus

  • Resistant to acids, alkalis, corrosion, and aging

  • Combines the impermeability of geomembranes with the reinforcement, protection, and filtration functions of geotextiles

Applications

  • Waterproofing

    • Roadbeds and roof waterproofing

  • Water Conservancy & Environmental Protection

    • River dikes, lake dams, tailings dams

    • Reservoir areas of sewage dams, channels, and liquid storage ponds (pits, mines)

    • Landfills and anti-seepage systems for sewage or waste treatment

  • Transportation Infrastructure

    • Foundations for roads, highways, and railways

  • Geotechnical Engineering

    • Horizontal anti-seepage layers for embankments and dams

    • Vertical anti-seepage layers for foundations

    • Construction cofferdams and waste disposal sites

  • Aquaculture

    • Marine and freshwater aquaculture ponds

  • Underground Engineering

    • Anti-seepage linings for subways, basements, tunnels, and underground passages

Product Specifications

  • Weight: 200–1000 g/m²

  • Width: 1–6 m

  • Roll Length: 50–100 m (Customizable according to requirements)

 
 

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Technical indicators

Technical indicators of staple fiber needled nonwoven composite geomembrane ( GB/T 17642-2008 )

item指   标
4005006007008009001000note
rupture strength Kn/m5.07.510.012.014.016.018.0vertically and horizontally
Elongation at break %30~100vertically and horizontally
CBR Top Break Power kN≥1.11.51.92.22.52.83.0 
tearing force kN≥0.150.250.320.40.480.560.62vertically and horizontally
peel strength N/cm6
vertical permeability coefficientAs required by the design contract
itemMembrane Thickness /mm
0.20.30.40.50.60.70.81.0
Hydrostatic pressure resistance /
Mpa≥
lit. one cloth, one membrane0.40.50.60.81.01.21.41.6
two cloth, one membrane0.50.60.81.01.21.41.61.8

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