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40 Mils HDPE Liner

1. 40Mils (approximately 1.02mm) HDPE liner is corrosion-resistant and anti-aging. It does not degrade or leak over a long period, ensuring water quality and the safety of aquaculture.

2. It is puncture-resistant and wear-resistant, with stable anti-seepage effect.

3. The material is smooth and easy to clean, reducing the risk of water pollution and facilitating daily management of aquaculture.

4. The construction is convenient and easy to connect, adaptable to various shapes of aquaculture ponds, significantly reducing the cost of water body loss in aquaculture.

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Product Details

I. Product Overview & Core Positioning

40 Mils HDPE liner (1.016mm) is a high-performance anti-seepage geomaterial tailored for medium-heavy duty engineering. Made from virgin HDPE resin, it integrates enhanced durability, excellent chemical resistance and flexible installation, serving as a reliable solution for environmental protection, water conservancy and industrial projects globally.

II. Raw Material Selection & Manufacturing Process

We select food-grade virgin HDPE resin (purity ≥99.5%) without recycled materials. Adopting advanced co-extrusion calendering technology, the production process is strictly in line with ASTM standards, with melting temperature controlled at 190-230℃ and real-time monitoring of membrane uniformity, ensuring consistent quality of each roll.

III. Technical Specifications (Physical & Chemical Properties)

Property Category	Index Name	Standard Value
Physical Properties	Thickness	40 Mils (1.016mm), Tolerance ±5%
	Tensile Strength (MD/TD)	≥20 MPa
	Elongation at Break (MD/TD)	≥550%
	Puncture Resistance	≥450 N
	Tear Strength	≥150 N
	Low-Temperature Flexibility (-20℃)	No cracking
Chemical Properties	Acid-Alkali Resistance (25% H₂SO₄/NaOH, 48h)	Strength retention ≥92%, no swelling
	Salt Resistance (35% NaCl, 72h)	No performance degradation
	UV Aging Resistance (2000h)	Tensile strength retention ≥88%
	Oil Resistance (Engine Oil, 24h)	No softening or deformation

IV. Core Performance Advantages

Compared with lighter gauges, it has three core advantages:

1.Stronger puncture resistance for gravel-rich terrains;

2.Higher load-bearing capacity to withstand moderate pressure;

3.Better chemical stability adapting to mild corrosive environments. It also retains easy installation, compatible with conventional welding equipment.

40 Mils HDPE Liner

V. Typical Applications

Key application scenarios include: Municipal sewage treatment pools, landfill leachate collection systems, large agricultural reservoirs, industrial chemical liquid storage secondary containment, and large-scale landscape artificial lakes, meeting diverse anti-seepage needs.

40 Mils HDPE Liner

VI. Pre-Construction & Installation Essentials

Pre-construction: Ensure base surface flatness (error ≤2cm/m²), compaction density ≥95%, and remove sharp objects. Installation: Lay with 12-15cm overlap, avoid tension, weld at 210-240℃ with speed 2-3m/min, and conduct air pressure test (0.18-0.22MPa, 5min no pressure drop) after construction.

VII. Post-Installation Maintenance

Regular inspection (quarterly for the first year, semi-annually thereafter) focusing on welds and edges; avoid heavy machinery rolling and chemical erosion; outdoor projects need geomembrane coverage to reduce UV damage; repair small defects with special patches timely.

VIII. Product Selection & Matching Tips

Selection suggestions: Prioritize for medium-heavy duty projects; match with anti-corrosion primer for high-corrosion scenarios; confirm low-temperature flexibility for cold areas; cooperate with professional teams to ensure performance exertion.

IX. Enterprise Strength & Advantages

1. Strict quality control: From raw material inspection to finished product delivery, 8 rounds of testing in line with international standards.

2. Advanced production capacity: Annual output 5 million square meters, supporting large-order customization and on-time delivery.

3. Professional technical team: Provide one-stop services from project design, on-site guidance to after-sales maintenance.

4. Global certification: Pass ISO9001, ASTM, CE and other international certifications, exported to 30+ countries.

5. Customer-centric: Customize solutions according to project characteristics, with 24-hour after-sales response.

40 Mils HDPE Liner