
Ultra-Low Permeability Waterproof HDPE Geomembrane Pond Anti-Seepage Liner for Reservoirs. Ultra-Low Permeability: Provides an impermeable barrier with extremely low seepage coefficient to protect groundwater. Chemical Resistance: Resists acids, alkalis, and corrosive environments, ideal for landfills and wastewater. Wide Temperature Adaptability: Maintains stable performance in both high and low temperatures across varied climates. Thermal Weldable Seams: Hot-melt welding creates high-integrity, leak-tight joints for overall system reliability. Flexible Customization: Offers full customization including thickness (0.2-3.0mm), surface type, and composite structures. CE & ISO Certified: Complies with GB/T 17643 standard using virgin resin production for traceable quality. Versatile Applications: Suitable for reservoirs, ponds, landfills, canals, tunnels, and hydraulic engineering projects.