LLDPE liner, also known as LLDPE geomembrane liner, is a type of geomembrane liner used for foundation, soil, rock earth or any other geotechnical engineering material as an integral part of a man made project, structure, or system. Compared with HDPE liner, LLDPE liner features good flexibility and outstanding resistance to low temperature and ultraviolet exposure, it is ideal for exposed applications like fishor shripm farm project.
BPM LLDPE liners are available in thicknesses ranging from 20 to 120 mils and offer both smooth and textured options.
1. What Is LLDPE liner?
LLDPE liner, or linear low-density polyethylene liner, is a specialized waterproofing geomembrane used in various applications. It is manufactured using high-grade polyethylene raw material, which is enhanced with additives such as carbon black, antioxidants, anti-aging agents, and UV resistance components. The production process involves state-of-the-art equipment and employs three-layer pressing technology. LLDPE liners can be produced in different thicknesses ranging from 0.5mm to 3.0mm and are available in both smooth and textured surface finishes. All LLDPE liner products conform to the standards set by GB, GRI, and ASTM.
Geomembrane LLDPE liners are widely utilized as impermeable lining systems in waterproofing ponds, including landfills, dams, canals, fish ponds, and ecological ponds. These liners are composed of 100% virgin polyethylene material, offering stable low-temperature embrittlement resistance, proven performance, low permeability, and excellent UV resistance. They effectively prevent seepage, making them valuable for pond lining projects.
LLDPE liners are manufactured using high-quality virgin polyethylene resins. They exhibit exceptional flexibility, making installation easier by reducing the need for cutting and minimizing the risk of punctures during the process. These liners are designed for long-lasting performance, providing strength, durability, and cost-effectiveness.
The remarkable flexibility of LLDPE liners not only simplifies installation but also ensures their ability to withstand low temperatures and resist the damaging effects of UV exposure. With their excellent properties, LLDPE liners are a reliable choice for a wide range of applications that require effective waterproofing and seepage prevention.
2. What Are The Benefits of LLDPE Liner for Ecology Pond Project?
LLDPE liner for an ecology pond project offers benefits such as chemical resistance, flexibility, elongation capacity, stress crack resistance, UV stability, easy installation, and welding capability. These advantages contribute to the effectiveness and longevity of the liner in maintaining the integrity of the ecology pond and preventing seepage.
2.1 Chemical Resistance
LLDPE liners are highly resistant to chemicals, including those typically found in ecology ponds such as fertilizers, pesticides, and organic matter. This resistance ensures that the liner remains intact and effective in preventing seepage and contamination.
2.2 Flexibility
LLDPE liners are inherently flexible, allowing them to conform to the irregular shape and contours of an ecology pond. This flexibility enables easy installation without the risk of damaging the liner’s integrity. It also facilitates adaptability to any settling or ground movement that may occur over time.
2.3 Elongation Capacity and Stress Crack Resistance
LLDPE liners have excellent elongation capacity, meaning they can stretch without tearing or developing stress cracks. This characteristic is beneficial in ecology ponds where there may be fluctuations in water levels or ground movement. The liner can accommodate these changes without compromising its effectiveness.
2.4 UV Stability
LLDPE liners have excellent UV stability, enabling them to withstand prolonged exposure to sunlight without degradation. This feature is crucial in ecology ponds where the liner is exposed to direct sunlight. It ensures that the liner maintains its integrity and performance over an extended period.
2.5 Welding Capability
LLDPE liners can be easily welded, providing secure seam connections that ensure a watertight seal. This welding capability simplifies the installation process and enhances the liner’s overall integrity. It also distinguishes LLDPE liners from HDPE liners, as LLDPE liners offer greater ease of welding.
2.6 Easy Installation
LLDPE liners are easy to install, thanks to their flexibility and the option of larger custom prefabricated panels. The panels can be tailored to fit the dimensions of your ecology pond, allowing for quicker and more efficient deployment. The simplicity of installation reduces the need for cutting, saving time and effort during the installation process.
2.7 Customizable Thickness
LLDPE liners are available in various thickness options, allowing you to choose the appropriate gauge based on the specific requirements of your ecology pond project. The range of thicknesses available ensures that the liner provides the desired level of durability and protection against seepage.
3. What Is Difference Between HDPE and LLDPE Liner?
The difference between HDPE (High-Density Polyethylene) and LLDPE (Linear Low-Density Polyethylene) liners lies in their flexibility and behavior when folded or bent.
HDPE
HDPE liners are known for their stiffness and high modulus of elasticity. When an HDPE liner is folded over upon itself, the material will be stretched beyond its yield point. This excessive stretching can result in damage and weakening of the material at that point. Due to its stiffness, HDPE liners are less flexible and have limited ability to withstand folding or bending without compromising their integrity. Therefore, HDPE liners are typically not suitable for applications that require significant flexibility or where frequent folding or bending is necessary.
LLDPE
When LLDPE is folded over on itself, the material does not undergo significant stretching or damage. LLDPE liners exhibit greater flexibility and resilience, allowing them to be folded, bent, and manipulated without compromising their performance. This flexibility gives LLDPE liners the advantage of being more easily shop fabricated. They can be conveniently shaped, cut, and assembled to fit specific project requirements, making them suitable for applications that demand adaptability to irregular surfaces and complex geometries.
Furthermore, the flexibility of LLDPE liners extends to their ability to accommodate ground movement or settlement. Their inherent flexibility enables them to withstand bending without damaging their integrity, making them suitable for projects where differential settlement or ground movement is anticipated.
Summary
In summary, the primary difference between HDPE and LLDPE liners lies in their flexibility and response to folding or bending. HDPE liners are stiffer and more prone to damage when folded, while LLDPE liners are highly flexible and resilient. The flexibility of LLDPE liners allows for shop fabrication and easier adaptation to irregular surfaces, making them a preferred choice for applications that require flexibility, maneuverability, and the ability to withstand bending without compromising their integrity.
4. Case Study of LLDPE Liner for Ecology Pond Project in Indonesia
BPM received an inquiry from a customer in Indonesia who was undertaking a significant ecology pond project. The customer was seeking a geomembrane liner with a long service life for their pond. Being a professional geomembrane manufacturer, BPM suggested using the maximum thickness of 0.5 mm LLDPE liner, which could provide a service life of over 50 years. To ensure the customer’s confidence, BPM produced a 12 square meter sample of the LLDPE liner and shipped it to them for testing. Additionally, BPM supplied all the necessary certificates, production videos, and project case studies for reference.
Once the geomembrane liner sample had been tested and approved by the customer, they shared their pond design draft and requested guidance on the installation process. BPM promptly provided the customer with detailed installation instructions and a video demonstration. To facilitate the liner’s proper installation, BPM also recommended the use of a welding machine to ensure secure seams and a watertight seal.
By offering comprehensive support, including sample testing, documentation, installation guidance, and equipment recommendations, BPM aimed to assist the customer in successfully completing their ecology pond project in Indonesia. This case study highlights BPM’s commitment to providing high-quality LLDPE liners and excellent customer service to meet the specific needs and requirements of geomembrane projects.
5. Specifications of LLDPE Liner for Ecology Pond Project in Indonesia
For the ecology pond project in Indonesia, the specifications of the LLDPE geomembrane liner are as follows:
5.1 Total LLDPE Geomembrane Liner Quantity
The project requires a total of 16,750 square meters of LLDPE geomembrane liner. This quantity is based on the specific size and dimensions of the pond.
5.2 Pond Liner Thickness
The chosen thickness for the LLDPE geomembrane liner is 0.5 mm. This thickness provides sufficient durability and protection against seepage for the ecology pond.
5.3 Roll Size
Each roll of the LLDPE geomembrane liner measures 6 meters in width and 30 meters in length. These dimensions allow for convenient handling and installation of the liner.
BPM LLDPE geomembrane liner can effectively meet the requirements of the ecology pond project in Indonesia. The liner’s thickness and roll size are chosen to ensure proper coverage, durability, and ease of installation for maximum performance and longevity.
6. About BPM Geomembrane
As the the professional geomembrane manufacturer and supplier, BPM has been dedicated to supplying one stop geomembranes and services to worldwide customers since its foundation in 2010. Our main innovative, high quality geosynthetics products include geomembranes, geotextiles, geocells, geosynthetic clay liners (GCLs), drainage boards, geogrids, etc. All BPM brand HDPE geomembranes have passed the certificates of the ISO9001, ISO14001, TUV, Soncap, SASO, BV certificates and the test of SGS and Intertek etc. Our geomembrane products have been exported to over 36 countries. If you have any questions or inquiries, please contact us.
