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

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

Superior Flexibility & Conformability: Boasts up to 1000% elongation at break, effortlessly conforming to uneven terrains in heap leach pads and preventing stress cracking under heavy loads.
Exceptional Chemical Resilience: Resists aggressive acids, alkalis, and hydrocarbons, ensuring decades of reliable containment in chemical reaction pools and tailings facilities.
High Puncture & Tear Resistance: Engineered with robust mechanical strength to withstand sharp mining debris, reducing premature liner failure by up to 50% in washing pools.
Accelerated Installation Efficiency: Flexible large-format rolls (up to 9 m / 29.5 ft wide) reduce field welding time by 60% and cut overall project costs by 45% compared to rigid liners.
Outstanding Stress Crack Resistance: Superior molecular structure prevents environmental stress cracking, guaranteeing long-term integrity in oil storage tank secondary containment.
Eco-Friendly & Safe Formulation: Manufactured from non-toxic virgin resins with zero harmful plasticizers, ensuring zero secondary pollution and strict compliance with environmental regulations.

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Key Technical Advantages

🌡️ Wide Temperature Tolerance: Maintains optimal flexibility and structural integrity in extreme climates ranging from -60°C to +60°C (-76°F to +140°F), preventing brittle fractures in cold mining regions.
🛡️ Ultra-Low Permeability: Delivers a hydraulic conductivity of <1×10⁻¹¹ cm/s, providing an impenetrable physical barrier against hazardous leachate and chemical migration.
🧪 Broad-Spectrum Chemical Stability: Highly resistant to sulfuric acid, saline brines, and petroleum hydrocarbons, ensuring long-term durability in aggressive petrochemical environments.
💪 Superior Tensile Strength: Achieves a tensile strength of up to 40 MPa at break, safely accommodating differential settlement and heavy mechanical stresses.
☀️ Advanced UV & Oxidative Resistance: Formulated with 2–3% carbon black and specialized antioxidants to withstand prolonged solar exposure and high-temperature oxidation.
🔥 Excellent Weldability: Designed for seamless hot wedge and extrusion welding, creating continuous, leak-proof joints that match the parent material's strength.

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

⛏️ Heap Leach Pads & Tailings Bottom Liners
Challenge: Highly acidic leachates (pH < 3) and uneven, rocky subgrades frequently cause rigid liners to crack, leading to catastrophic groundwater contamination and costly remediation.
Solution: Deploy high-performance LLDPE geomembranes (1.5–2.5 mm / 60–100 mils thick). Their superior elongation (up to 1000%) and stress crack resistance allow them to conform to irregular surfaces and withstand heavy ore loads without tearing, ensuring zero leakage.
🏭 Chemical Reaction Pools & Washing Pools
Challenge: Continuous exposure to aggressive solvents, strong acids, and fluctuating liquid levels rapidly degrades traditional concrete basins, causing structural weakening and leaks.
Solution: Utilize chemically resistant LLDPE/LLDPE liners (1.0–2.0 mm / 40–80 mils) as the primary containment barrier. Their inert surface prevents chemical attack, resists hydrogen sulfide corrosion, and can be easily repaired via extrusion welding if minor damage occurs.
🛢️ Oil Storage Tank Seepage Control
Challenge: Potential tank leaks pose severe environmental risks, requiring a secondary containment system that can accommodate tank deformation and resist petroleum hydrocarbons.
Solution: Implement robust LLDPE geomembranes (≥2.0 mm / 80 mils) as the secondary liner. Its exceptional puncture resistance and hydrocarbon compatibility safely intercept leaks, while its flexibility accommodates ground settlement without compromising integrity.
🌍 Universal Mining & Petrochemical Protection
Challenge: Extreme operational conditions, including high temperatures (>60°C) and prolonged UV exposure, accelerate polymer degradation and shorten liner lifespan.
Solution: Leverage advanced formulations with enhanced thermal stability and UV resistance. This guarantees a 50+ year service life even in harsh brine evaporation ponds and exposed mining sites, eliminating the massive hidden costs of premature replacement.

EPDM Rubber Liner for Agriculture & Aquaculture: Fish/Shrimp Ponds Irrigation Systems Drinking Water Pools Hydroponics

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

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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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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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