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LDPE geomembrane is made from virgin polyethylene resins, providing excellent flexibility and exceptional resistance to low temperatures and UV exposure. It is both high-quality and economical, designed for longevity with a significant degree of strength and durability.
LDPE geomembranes offer a cost-effective, flexible, and dependable solution for various containment applications. Meeting industry standards like GRI-GM13 ensures consistent quality and performance. Whether for decorative ponds or agricultural water storage, LDPE geomembranes create an impermeable barrier that merges affordability with functionality. With a lifespan of 20-30 years, high flexibility, and easy installation, they are ideal for budget-sensitive projects needing adaptable liners.
Contact BPM Geosynthetics to learn about geomembrane product specifications, request samples, or discuss custom fabrication options. Choosing LDPE geomembranes means investing in a reliable, economical solution that meets the requirements of diverse applications.
An LDPE Geomembrane is a geosynthetic liner crafted from low-density polyethylene (LDPE), a thermoplastic polymer known for its branched molecular structure, which imparts exceptional flexibility and pliability. Unlike denser materials like HDPE or more durable options like LLDPE, LDPE geomembranes are softer and more adaptable, making them ideal for applications with irregular surfaces or low mechanical stress. Produced in advanced geomembrane factories through extrusion or calendering processes, these liners ensure consistent thickness and quality, as highlighted by sources like BPM Geosynthetics.
LDPE Geomembranes are made from virgin LDPE resin, often enhanced with additives such as carbon black, UV stabilizers, and antioxidants to improve resistance to environmental stressors. Available in thicknesses from 0.5 to 2.5 mm, these liners can be smooth or textured to meet specific project demands. The manufacturing process adheres to standards like GRI-GM13, ensuring reliability for applications ranging from water storage to erosion control.
Cost-Effective: Offers an economical alternative for projects with moderate performance requirements.
No. | Item | Unit | Thickness | ||||||
0.3mm | 0.5mm | 0.75mm | 1.0mm | 1.25mm | 1.5mm | 2.0mm | |||
1 | Density | (g/cm3) | 0.939 | ||||||
2 | Tensile strength at break(MD/CD) | (N/mm≥) | 6 | 9 | 14 | 19 | 23 | 28 | 37 |
3 | Elongation (MD/CD) | (%≥) | 560 | ||||||
4 | Tear strength (MD/CD) | (N≥) | 27 | 45 | 63 | 90 | 108 | 135 | 180 |
5 | Puncture strength | (N) | 52 | 84 | 135 | 175 | 220 | 260 | 350 |
6 | Carbon black content | (%） | 2.0~3.0 | ||||||
7 | Carbon black dispersion | For 10 different views: 9 in categories1 or 2 and 1 in category 3 | |||||||
8 | Oxidative induction time | (min) | ≥60 | ||||||
9 | 70℃ Low tempreture impact brittle property | Pass | |||||||
10 | Vapour permeability coefficient g.cm/(cm2·S·Pa) | ≤1.0×10-13 | |||||||
11 | Dimensional Stability | ±2.0 | |||||||
LDPE Geomembranes are engineered to deliver a balance of flexibility, affordability, and functionality. Below are the key features that make them a valuable choice for containment projects.
The defining feature of LDPE Geomembranes is their exceptional flexibility, which allows them to adapt to irregular surfaces, such as rocky terrains or curved pond bases, without tearing or puncturing. This pliability simplifies installation on complex geometries, reducing the need for extensive site preparation.
Compared to denser materials like HDPE, LDPE Geomembranes are lightweight, making them easier to transport and handle on-site. This characteristic reduces logistical costs and speeds up deployment, particularly for large-scale projects.
LDPE Geomembranes can be heat-welded or glued, enabling secure seams that maintain impermeability. Their weldability supports both field and factory fabrication, offering flexibility for custom installations.
While not as robust as HDPE, LDPE Geomembranes offer sufficient resistance to mild chemicals, such as those found in agricultural runoff or neutral water storage systems, making them suitable for less aggressive environments.
Incorporating UV stabilizers, LDPE Geomembranes resist degradation from sunlight, ensuring durability in exposed applications. They also maintain flexibility in cold climates, performing reliably down to -30°C.
LDPE Geomembranes provide a range of benefits that make them an attractive option for budget-conscious projects. Drawing from industry sources like Geotextile Fabrics, here are the primary advantages:
The high flexibility of LDPE Geomembranes allows them to conform to uneven or complex surfaces, reducing the risk of punctures and simplifying installation. This can cut installation time by up to 15% compared to stiffer materials like HDPE.
LDPE Geomembranes are among the most affordable geomembrane options, typically 10-15% cheaper than HDPE or LLDPE liners. Their lightweight nature further reduces transportation and labor costs, with savings of approximately $0.15 per square meter.
The soft, pliable nature of LDPE Geomembranes makes them easy to handle and deploy, even in remote or challenging locations. Their ability to be welded or glued streamlines installation, reducing labor costs by 10-20% compared to denser liners.
With a permeability rate of less than 10⁻¹⁵ cm/s, LDPE Geomembranes act as effective barriers against water and mild contaminants, preventing soil and groundwater pollution in applications like stormwater retention or agricultural ponds.
Available in various thicknesses and surface textures (smooth or textured), LDPE Geomembranes are suitable for a wide range of applications, from landscaping to water management. They perform well in moderate climates, withstanding temperatures from -30°C to 50°C.
The lightweight and flexible properties of LDPE Geomembranes enable faster installation, particularly when using prefabricated panels. This can reduce project timelines by up to 20%, as noted by industry sources.
The lifespan of an LDPE Geomembrane varies based on environmental conditions, installation quality, and application type. According to Geotextile Fabrics, LDPE Geomembranes typically last 20-30 years under optimal conditions, with proper maintenance potentially extending this duration.
The query likely intends to compare LDPE Geomembranes with LLDPE (Linear Low-Density Polyethylene) Geomembranes, as LDPE vs. LDPE is redundant. Both materials are flexible polyethylene liners, but their molecular structures and performance characteristics differ significantly. Below is a detailed comparison based on industry insights:
LDPE Geomembranes are best suited for cost-sensitive, low-stress applications where flexibility and affordability are priorities. LLDPE Geomembranes, with their superior strength and longevity, are ideal for projects requiring high performance and durability. Geomembrane Manufacturers can provide tailored recommendations to ensure the right material choice.
LDPE Geomembranes are versatile liners used across various industries due to their flexibility, affordability, and impermeability.
LDPE Geomembranes are particularly valued for their affordability and ability to conform to complex shapes, making them a practical choice for projects with moderate performance requirements.
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