Geomembrana HDPE 30 Mils

The Geomembrana HDPE 30 mils (0.75 mm) is a high-performance geomembrane liner engineered to provide long-term impermeability and environmental protection across a wide range of containment applications. Manufactured from premium high-density polyethylene (HDPE) virgin resin, it offers a reliable combination of tensile strength, chemical resistance, UV durability, and cost efficiency. Its balanced thickness makes it ideal for medium-duty installations where both flexibility and structural integrity are required.

This 30-mil HDPE liner is widely used in water management, aquaculture, solid waste containment, mining, industrial effluent control, and agricultural irrigation systems. With excellent welding compatibility and low permeability, it ensures secure, leak-free barrier performance even under challenging site conditions.

1. Geomembrana HDPE 30 Mils – Material Composition & Structure

1.1 100% Virgin HDPE Resin

The geomembrane is manufactured using premium virgin high-density polyethylene (HDPE) resin, ensuring uniform molecular structure, superior mechanical properties, and long-term durability. Using virgin material avoids impurities or recycled additives that could reduce tensile strength or chemical resistance, guaranteeing reliable performance over decades.

1.2 Carbon Black, Antioxidants, and Stabilizers

Integrated carbon black particles provide excellent UV protection, preventing degradation under prolonged sunlight exposure. A carefully formulated blend of antioxidants and stabilizers enhances thermal stability, reduces oxidative aging, and ensures that the geomembrana liner maintains its flexibility and impermeability in a wide temperature range.

1.3 High Strength-to-Weight Ratio with Flexibility

The 30 mil HDPE sheet combines high tensile strength and puncture resistance with low weight, making it easy to transport and handle on-site. Its flexible structure allows the geomembrana in hdpe to conform to uneven surfaces, slopes, and complex contours without cracking or tearing, simplifying installation while maintaining a reliable barrier against seepage.

2. Geomembrana HDPE 30 Mils – Technical Specifications

2.1 Thickness: 30 mils (≈0.75 mm)

The 30 mil thickness provides an optimal balance between flexibility and durability, making it suitable for medium-duty applications where both impermeability and ease of installation are required. It is thick enough to resist punctures while remaining lightweight for handling and welding.

2.2 Density: ≥ 0.94 g/cm³ (High-Density Polyethylene)

The high density of the HDPE material ensures excellent mechanical strength, dimensional stability, and chemical resistance, supporting long-term performance even under heavy loads or ground movement. This density also contributes to low permeability and resistance to environmental stress cracking.

2.3 Tensile Strength

Strong tensile and elongation properties Designed to withstand stretching, soil pressure, and installation stress, the geomembrana 30 mils offers high tensile strength and elongation, ensuring that it maintains structural integrity over time and adapts to settlement or slight shifts in the subgrade without tearing.

2.4 Puncture Resistance

Withstands moderate mechanical impact Engineered to resist damage from stones, soil debris, or equipment during installation, the geomembranas 750 micras reduces the risk of leaks and failures. Its moderate puncture resistance is ideal for applications such as ponds, canals, or landfill covers where surface protection is required.

2.5 Permeability: Extremely low

The HDPE liner acts as a high-quality impermeable barrier, preventing water, chemicals, and other liquids from seeping into the soil or groundwater. This low permeability is crucial for environmental protection, agricultural water retention, and industrial containment.

2.6 Service Temperature Range: -60°C to +60°C

With a wide operating temperature range, the geomembrana de hdpe remains stable and flexible under extreme cold or heat, making it suitable for diverse climates and outdoor exposure without losing mechanical or chemical performance.

2.7 UV Resistance: Stabilized for prolonged sunlight exposure

Special additives, including carbon black and UV stabilizers, protect the material from photodegradation, ensuring long-term durability when exposed to sunlight in outdoor applications such as irrigation ponds, canals, or lagoons.

2.8 Chemical Resistance: Resistant to acids, alkalis, salts, hydrocarbons, and organic compounds

The hdpe geomembrana offers excellent resistance against a wide variety of chemicals, making it suitable for industrial wastewater ponds, agricultural effluent storage, or mining applications. This ensures structural integrity and prevents contamination even in aggressive chemical environments.

3. Geomembrana HDPE 30 Mils – Performance Characteristics

3.1 Excellent Impermeability

The HDPE structure ensures negligible seepage, providing a highly reliable barrier that protects soil and groundwater. This makes it ideal for ponds, canals, reservoirs, and waste containment applications where leak prevention is critical.

3.2 Superior Chemical Compatibility

The geomembranes pond liner is highly resistant to acids, alkalis, salts, hydrocarbons, and organic compounds, making it suitable for wastewater treatment, mining leachate ponds, fertilizers, and other agricultural effluents without degradation.

3.3 High Mechanical Strength

Engineered to withstand soil pressure, stone penetration, settlement movement, and handling stress, it maintains structural integrity during installation and throughout its service life. This ensures reliable performance in moderately demanding field conditions.

3.4 Durable Weathering & UV Resistance

The carbon black reinforced formula provides long-term outdoor durability, preventing photodegradation and brittleness. It can endure prolonged sunlight exposure and harsh climates without compromising flexibility or strength.

3.5 Thermally Weldable

Sheets can be hot-wedge or extrusion welded, creating homogeneous, high-strength seams that outperform adhesive methods. This ensures continuous impermeable coverage, even over complex layouts or large surface areas.

3.6 Flexible for Complex Geometries

The 30 mil HDPE is highly flexible, allowing it to easily conform to slopes, curves, and uneven subgrades. This flexibility simplifies installation and reduces the risk of tears compared to thicker or more rigid dam liner geomembrane alternatives.

4. Geomembrana HDPE 30 Mils – Manufacturing & Quality Control

4.1 Advanced Extrusion or Co-Extrusion Blown Film Technology

The smooth geomembrane is produced using state-of-the-art extrusion or co-extrusion blown film processes, which ensure uniform thickness, consistent material properties, and high-quality surface finish. This technology allows precise control over mechanical and chemical characteristics for reliable field performance.

4.2 Strict Quality Assurance Procedures

Every production batch undergoes comprehensive quality checks, including raw material inspection, continuous thickness monitoring, tensile and elongation tests, puncture resistance evaluation, and detailed visual inspections. These measures guarantee that only liners meeting rigorous standards leave the factory.

4.3 Manufactured to Industry Standards

The HDPE geomembrane sheet is produced in compliance with internationally recognized standards, ensuring trusted performance in a variety of applications. Key standards include:

- ASTM D5199 – Thickness Testing: Confirms uniform sheet thickness for reliable impermeability.

- ASTM D638 / D6693 – Tensile Properties: Validates tensile strength and elongation for mechanical durability.

- ASTM D4833 – Puncture Resistance: Ensures the waterproof geomembrane can withstand moderate mechanical impacts during installation.

- GRI-GM13 (adapted where applicable): Meets general geomembrane manufacturing and performance criteria for environmental and industrial projects.

5. Geomembrana HDPE 30 Mils – Installation Features

5.1 Delivered in Wide Rolls

The hdpe geomembrane pond liner comes in wide rolls, which reduces the number of seams required on-site, minimizes potential leak points, and speeds up the installation process, saving both time and labor costs.

5.2 Compatible with Geotextiles

Can be combined with protective geotextiles or cushioning layers, which help prevent punctures, distribute loads evenly, and protect the liner from sharp objects or irregular subgrades during installation.

5.3 Welded Seams with Non-Destructive Testing

All seams can be hot-wedge or extrusion welded and are tested using non-destructive methods such as air pressure or vacuum box testing, ensuring a continuous, leak-proof barrier and reliable long-term performance.

5.4 Lightweight and Easy to Handle

The 30-mil thickness provides a balance between strength and weight, allowing installers to move and position sheets quickly and safely. This reduces overall labor intensity and accelerates project timelines without compromising durability.

6. Geomembrana HDPE 30 Mils – Applications

6.1 Water Management

6.1.1 Aquaculture and Fish Ponds

Provides a durable, impermeable lining that maintains water quality and prevents seepage, ensuring healthy fish growth and stable pond levels.

6.1.2 Irrigation Ponds, Canals, and Reservoirs

Helps retain water efficiently, reducing losses through seepage and supporting consistent irrigation for agricultural lands.

6.1.3 Stormwater Retention Basins

Acts as a reliable barrier to control runoff, prevent erosion, and manage stormwater for urban or rural drainage systems.

6.1.4 Decorative Lakes and Landscaping Water Features

Ensures leak-free water retention, allowing the creation of aesthetically pleasing lakes, fountains, and other ornamental water features.

6.2 Environmental Protection

6.2.1 Landfill Covers and Liners (Secondary Layers)

Provides secondary containment to prevent leachate from seeping into the soil, protecting groundwater and the surrounding environment.

6.2.2 Leachate Control and Collection Systems

Works effectively in collecting and directing hazardous liquids, minimizing environmental contamination risks.

6.2.3 Wastewater Lagoons and Settling Basins

Offers a durable impermeable barrier for municipal or industrial wastewater treatment ponds, preventing leakage into surrounding soils.

6.2.4 Hazardous Waste Containment Zones

Ensures safe storage of chemical or industrial waste, maintaining compliance with environmental regulations and preventing soil contamination.

6.3 Agriculture

6.3.1 Silage Pit Liners

Protects silage from contamination and nutrient loss, maintaining optimal storage conditions for livestock feed.

6.3.2 Manure Storage and Biogas Digesters

Provides a resilient barrier for liquid manure and biogas substrates, preventing leakage and supporting renewable energy projects.

6.3.3 Fertilizer Containment Ponds

Ensures secure storage of fertilizers and nutrient solutions, preventing chemical seepage into soil and groundwater.

6.4 Industrial & Mining

6.4.1 Chemical Storage Ponds

Offers high chemical resistance, making it suitable for storing industrial chemicals and effluents safely.

6.4.2 Mining Tailing Ponds (Secondary Lining)

Provides secondary containment to protect soil and water from toxic tailings in mining operations.

6.4.3 Heap Leach Pads Underlayers

Acts as a reliable impermeable base for gold, copper, or other mineral heap leach pads, preventing environmental contamination.

6.4.4 Process Water & Industrial Effluent Containment

Ensures safe containment of process water or industrial effluents, reducing the risk of leaks and protecting surrounding ecosystems.

7. Geomembrana HDPE 30 Mils – Q&A

Q1: Why choose 30 mil HDPE instead of thicker or thinner liners?

A: 30-mil HDPE offers an optimal balance between flexibility, ease of installation, and mechanical durability. It is cost-effective for medium-duty applications while still providing reliable impermeability and chemical resistance.

Q2: What is its expected service life?

A: When properly installed and protected from excessive mechanical damage, exposure to sharp debris, or extreme chemical attack, the liner can last 20–30+ years, depending on environmental conditions.

Q3: Can it be customized?

A: Yes, rolls can be custom-width and length, and color or UV stabilization levels can be adjusted based on project requirements.

Q4: Can it be used with geotextiles or drainage composites?

A: Yes. It can be combined with geotextiles for cushioning or with drainage composites to manage water flow and reduce mechanical damage, enhancing the liner’s overall performance and durability.

Conclusion

The Geomembrana HDPE 30 mils is a versatile, durable, and economically efficient geomembrane solution designed for medium-duty containment applications. Its engineered balance of strength, flexibility, and impermeability makes it a highly trusted choice for environmental, agricultural, industrial, and water management projects worldwide. Whether used in ponds, canals, lagoons, or secondary containment systems, it ensures reliable long-term protection with excellent installation efficiency.

We highly recommend The Best Project Material Co., Ltd.（BPM Geosynthetics）for quality, reliable geomembrane solutions.