0.75mm HDPE Geomembrane Specifications and Applications

0.75mm HDPE Geomembrane Specifications and Applications

High-Density Polyethylene (HDPE) geomembranes are widely used in various industries due to their excellent chemical resistance, durability, and flexibility. Among the different thicknesses available, the 0.75mm HDPE geomembrane is a popular choice for many applications. This article will explore the specifications and common uses of this versatile material.

Specifications of 0.75mm HDPE Geomembrane

The 0.75mm HDPE geomembrane is a thin yet robust liner that offers several key features:

• Thickness: 0.75 millimeters (30 mils)
• Density: 0.940 g/cm³ or higher
• Tensile Strength: ≥ 25 MPa (ASTM D6693)
• Elongation at Break: ≥ 700%
• Puncture Resistance: ≥ 400 N
• Chemical Resistance: Excellent resistance to most chemicals, acids, and bases
• UV Resistance: Contains UV stabilizers for extended outdoor use

Applications of 0.75mm HDPE Geomembrane

The 0.75mm HDPE geomembrane is suitable for various applications, including:

1. Pond and Reservoir Liners

This geomembrane is commonly used as a liner for ponds, reservoirs, and irrigation canals. Its excellent water barrier properties help prevent water loss through seepage.

2. Landfill Liners

In waste management, the 0.75mm HDPE geomembrane serves as an effective barrier in landfill liners and caps, preventing leachate from contaminating the surrounding soil and groundwater.

3. Mining Applications

The geomembrane is used in heap leach pads, tailings ponds, and other mining operations to contain process solutions and prevent environmental contamination.

4. Secondary Containment

It is often used as a secondary containment liner for fuel storage tanks, chemical storage areas, and other industrial facilities to prevent spills from reaching the environment.

5. Aquaculture

In fish farming and shrimp ponds, the 0.75mm HDPE geomembrane provides a clean and durable lining that helps maintain water quality and prevent contamination.

Installation Considerations

When installing a 0.75mm HDPE geomembrane, it’s important to:

• Prepare a smooth and compacted subgrade
• Use proper welding techniques for seams
• Protect the liner from punctures during installation
• Allow for thermal expansion and contraction

Proper installation is crucial to ensure the long-term performance and effectiveness of the geomembrane liner.

Advantages of 0.75mm HDPE Geomembrane

The 0.75mm HDPE geomembrane offers several advantages:

• Cost-effective solution for many applications
• Lightweight and easy to handle
• Excellent chemical resistance
• Long service life (up to 20 years or more)
• Environmentally friendly and recyclable

When selecting a geomembrane for your project, consider the specific requirements and consult with a professional to ensure the