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Composite Geomembrane for Water Conservancy: Reservoirs River Levees Irrigation District Linings Water Storage Pools Artificial Lakes

Composite Geomembrane for Water Conservancy: Reservoirs River Levees Irrigation District Linings Water Storage Pools Artificial Lakes

Superior Seepage Control: Permeability ≤1.0×10⁻¹¹ cm/s eliminates water loss in reservoirs and canals, saving up to 30% in water resources.
Exceptional Adaptability: Up to 700% elongation accommodates ground settlement and structural deformation in levees and lakes without tearing.
Rapid & Cost-Efficient Deployment: 8 m (26.2 ft) wide rolls cut construction time by 50% and lining costs by 40% versus clay or concrete.
Robust Mechanical Protection: Geotextile layer boosts tensile strength to 30 kN/m, protecting the impermeable core from sharp rocks.
Long-Term Environmental Durability: Advanced UV and anti-aging additives guarantee over 50 years of outdoor service life.
Eco-Friendly & Safe: Non-toxic virgin HDPE ensures zero secondary pollution, ideal for drinking water tanks and aquaculture.

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Key Technical Advantages

🛡️ Ultra-Low Permeability: Delivers a water vapor transmission rate of <10⁻¹⁶ g·cm/(cm²·s·Pa), providing an impenetrable physical barrier against seepage in water conservancy projects.
💪 High Tensile & Puncture Resistance: The composite geotextile reinforcement prevents tearing from sharp subgrade debris, maintaining structural integrity under high hydraulic pressure.
🌡️ Wide Temperature Tolerance: Maintains flexibility and performance in extreme climates ranging from -60°C to +60°C (-76°F to +140°F), preventing frost cracking in winter and thermal degradation in summer.
🧪 Broad-Spectrum Chemical Stability: Highly resistant to acid, alkali, and salt erosion, ensuring long-term stability even in saline soils or polluted waterways.
🔥 Robust Welding Integrity: Designed for high-strength hot wedge welding, creating continuous seams that are as strong as the parent composite membrane to prevent joint leakage.
📏 Flexible Dimensional Options: Available in weights from 200 g/m² to 1500 g/m² and widths up to 8 m (26.2 ft) to minimize field seams and accelerate large-scale deployment.

Basic Info.

Material	HDPE, EPDM, LDPE, LLDPE, EVA, PVC	Feature	Waterproof, Anti-UV, Recyclable, Durable, Eco Friendly, Anti-Corrosion, Disposable
Surface	Smooth, Single textured, Double textured	After-sale Service	Online Technical Support, Onsite Installation, Onsite Training
Length	50m-420m (164–1,378 ft) or Customized	Project Solution Capability	Graphic design, 3D model design, Total solution for projects
Width	1m~8m (3.28–26.25 ft) or Customized	Thickness	0.1mm-3mm (4–118 mil)
MOQ	3000 Sqm (32,292 ft²)	Standard	GB/ASTM GRI-GM13
Color	Black/ White/ Green/ Blue or Customized	Certification	ISO9001/ISO14001/BV/SONCAP
Trademark	Zhongloo	Origin	China
Application1	Pond, Reservoir, DAM, Fish farm, Aquaculture, Fish pond, Landfill, Shrimp farm	Application2	Landfill Liner Banks, Tunnels, Swimming pools, Sewage treatment, Tailings pond, Subway

Technical Specifications

Property	Test Method	Unit (Metric / Imperial)	GMS0.5 (20mil)	GMS0.75 (30mil)	GMS1.0 (40mil)	GMS1.25 (50mil)	GMS1.5 (60mil)	GMS2.0 (80mil)	GMS2.5 (100mil)
Nominal Thickness	ASTM D5199	mm (mil)	0.50 (20)	0.75 (30)	1.00 (40)	1.25 (50)	1.50 (60)	2.00 (80)	2.50 (100)
Density	ASTM D1505 / D792	g/cm³	≥0.940	≥0.940	≥0.940	≥0.940	≥0.940	≥0.940	≥0.940
Yield Strength	ASTM D6693	kN/m (lb/in)	7 (40)	11 (63)	15 (84)	18 (105)	22 (126)	29 (168)	37 (210)
Break Strength	ASTM D6693	kN/m (lb/in)	10 (57)	20 (114)	27 (152)	33 (190)	40 (228)	53 (304)	67 (380)
Yield Elongation	ASTM D6693	%	≥12	≥12	≥12	≥12	≥12	≥12	≥12
Break Elongation	ASTM D6693	%	≥700	≥700	≥700	≥700	≥700	≥700	≥700
Tear Resistance	ASTM D1004	N (lb)	70 (16)	93 (21)	125 (28)	156 (35)	187 (42)	249 (56)	311 (70)
Puncture Resistance	ASTM D4833	N (lb)	180 (40)	240 (54)	320 (72)	400 (90)	480 (108)	640 (144)	800 (180)
Stress Crack Resistance	ASTM D5397	hr	≥500	≥500	≥500	≥500	≥500	≥500	≥500
Carbon Black Content	ASTM D4218	%	2.0–3.0	2.0–3.0	2.0–3.0	2.0–3.0	2.0–3.0	2.0–3.0	2.0–3.0
Carbon Black Dispersion	ASTM D5596	Category	Category 1 or 2	Category 1 or 2	Category 1 or 2	Category 1 or 2	Category 1 or 2	Category 1 or 2	Category 1 or 2
Standard OIT	ASTM D3895	min	≥100	≥100	≥100	≥100	≥100	≥100	≥100
High Pressure OIT	ASTM D5885	min	≥400	≥400	≥400	≥400	≥400	≥400	≥400
Oven Aging (85°C, 90d)	ASTM D5721	% OIT Retained	≥55	≥55	≥55	≥55	≥55	≥55	≥55
UV Resistance	ASTM D7238	% HP-OIT Retained	≥50	≥50	≥50	≥50	≥50	≥50	≥50

Application Solutions

💧 Reservoirs & Water Storage Pools
Challenge: High hydrostatic pressure and uneven foundation settlement frequently cause traditional rigid concrete linings to crack, leading to massive water loss and structural instability.
Solution: Deploy heavy-duty composite geomembranes (e.g., two fabrics, one membrane, ≥800 g/m²) as the primary anti-seepage barrier. The flexible HDPE core withstands high water pressure, while the non-woven geotextile distributes stress and protects against puncture, ensuring decades of leak-proof water retention.
🏞️ River Levees & Slope Protection
Challenge: Steep embankments are highly susceptible to surface erosion, wave action, and soil washout during heavy rains and flood seasons, threatening levee integrity.
Solution: Utilize textured composite geomembranes to increase the surface friction coefficient. This prevents slippage between the membrane and the protective soil/rock layer, providing excellent anti-seepage and slope reinforcement while adapting to embankment deformation.
🌾 Irrigation District Linings
Challenge: Extensive canal networks suffer from severe seepage losses, reducing irrigation efficiency and causing surrounding soil salinization or waterlogging.
Solution: Implement cost-effective one-fabric-one-membrane composite liners (e.g., 400–600 g/m²). The wide roll format (up to 6 m / 19.7 ft) drastically reduces installation time and seam welding, maximizing water conveyance efficiency and saving agricultural operational costs.
🌊 Artificial Lakes & Landscaping
Challenge: Creating aesthetically pleasing water features requires reliable waterproofing that can adapt to complex, irregular shapes without compromising ecological safety or visual appeal.
Solution: Use non-toxic, food-grade HDPE composite geomembranes that conform easily to custom contours. The smooth or textured surface prevents algal overgrowth, ensures zero groundwater contamination, and provides a durable, maintenance-free foundation for landscape water bodies.

LDPE/LLDPE Geomembrane for Mining & Petrochemical: Washing Pools Heap Leach Pads Tailings Bottom Liners Oil Storage Tank Seepage Control Chemical Reaction Pools

HDPE/PE Geomembrane for Environmental Sanitation: Landfills Hazardous Waste Disposal Sites Wastewater Treatment Plants Power Plant Regulation Ponds

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Why Choose Zhongloo

Established Expertise

With over 10 years of industry experience since 2014, we have refined our manufacturing processes to ensure consistency and reliability.

Expert Technical Team

Our highly skilled R&D team delivers end-to-end product solutions and customized services, ensuring optimal performance for your projects.

Innovation Driven

Our dedicated R&D team holds over 30 patents, allowing us to offer customized solutions and continuously improve product performance for complex engineering challenges.

Satisfactory Service

Backed by a highly efficient after-sales team, we guarantee an 8-hour response time to provide you with seamless and satisfactory service.

Prestigious Partnerships

We are proud to be a trusted supplier for industry giants, including China State Construction, China Railway Construction, China Communications Construction, and China Energy Engineering.

Certified Quality

Backed by comprehensive ISO certifications in Quality, Environmental, and Occupational Health & Safety management, our lean production system guarantees that every roll of geosynthetic material meets the highest international standards.

Application Cases

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Aquaculture

Reliable geosynthetic solutions for fish ponds, shrimp farms and aquaculture facilities, providing effective seepage control, protection and long-term water containment.

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Water Management

Geomembranes, geotextiles and drainage solutions for reservoirs, canals, ponds and water infrastructure, designed for reliable containment, filtration and erosion control.

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Rail Trackbed Improvement

High-performance geogrids, geotextiles and geocells for railway subgrade reinforcement, separation, drainage and long-term trackbed stability.

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