2mm Thickness Smooth HDPE Geomembrane for Heap Leach Pads
Geomembranes are highly effective and durable materials used as liners for heap leach pads in the mining industry. They are made from synthetic polymers, such as high-density polyethylene (HDPE) or polyvinyl chloride (PVC), and are specifically designed to prevent the seepage of process solutions and contaminants into the surrounding environment. Heap leach pads are large areas where crushed ore is piled and sprayed with a leaching solution to extract valuable metals. The geomembrane liner creates a barrier between the ore and the underlying soil or groundwater, ensuring that the leaching process is contained and environmentally safe. This helps to minimize the risk of pollution and ensures compliance with environmental regulations. The use of geomembranes in heap leach pads is a critical component of sustainable mining practices.
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Delivery Time: 10-20 working days
Minimum Order Quantity: 300 square meters
Payment Term: 30% T/T Deposit, 70% T/T Before Shipping
Geomembrane, a versatile synthetic polymer material, has a wide range of applications, particularly in the context of heap leach pads. Its unique properties and capabilities make it an ideal choice for various industries and applications.
Specification：
Thickness：0.2mm-3.0mm
Width：2m-12m
Color：Black，Green，Blue，White.
Material：HDPE
Technical Data:
Mechanical Properties | Properties | Unit | Product Specification | Test Frequency | |||||
Thickness | mm | 0.75 | 1.00 | 1.50 | 2.00 | 2.50 | 3.00 | Per roll | |
Density | g/cc | 0.94 | 90,000kg | ||||||
Tensile Properties yield strength break strength yield elongation break elongation | kN/mkN/m%% | 11 20 12 700 | 15 27 12 700 | 22 40 12 700 | 29 53 12 700 | 37 67 12 700 | 44 80 12 700 | 9,000kg | |
Tear Resistance | N | 93 | 125 | 187 | 249 | 311 | 374 | 20,000kg | |
Puncture Resistance | N | 240 | 320 | 480 | 640 | 800 | 960 | 20,000kg | |
Stress Crack Resistance | hr. | 500hr. | perGRIGM-10 | ||||||
Carbon Black Content | % | 2.0-3.0% | 9,000kg | ||||||
Reference Properties | Oxidative Induction Time （a）Standard OIT （b）High Pressure OIT | min | 100min. 500min. | 90,000kg | |||||
OvenAgingat85Cretainedafter90days （a）Standard OIT-％ （b）High Pressure OIT-％ | % | 55% 80% | per each formulation | ||||||
UV ResistanceHigh Pressure OIT-%retainedafter1600hrs | % | 50% | per each formulation | ||||||
Melt Index，condition190°C／2.16kg | 0.20g/10min | ||||||||
Advantages :
Durability and Chemical Resistance:
Geomembranes are made from highly durable synthetic polymers such as HDPE (High-Density Polyethylene) or PVC (Polyvinyl Chloride).
These materials are resistant to chemical degradation, enabling them to withstand the harsh conditions and corrosive chemicals present during the leaching process.
Their durability ensures a long service life, reducing the need for frequent replacement and saving costs over time.
Effective Barrier Against Seepage:
Geomembranes create an impermeable barrier between the ore and the underlying soil or groundwater.
This prevents the escape of process solutions and contaminants into the surrounding environment, minimizing the risk of pollution and protecting groundwater and nearby ecosystems.
Environmental Protection:
By containing the leaching process, geomembranes help to reduce the environmental impact of mining activities.
They contribute to sustainable mining practices by ensuring compliance with environmental regulations and reducing the potential for harm to the local environment.
Lightweight and Easy Installation:
Geomembranes are relatively lightweight, making them easier to transport and handle during installation.
This reduces installation time and costs, particularly for large-scale projects such as heap leach pads.
Flexibility and Customization:
Geomembranes can be produced in various thicknesses, widths, and lengths to suit specific project requirements.
They can also be customized with different surface textures or colors to meet specific performance needs or aesthetic preferences.
Cost-Effectiveness:
While the initial investment in geomembrane liners may be significant, their long service life and reduced need for maintenance make them a cost-effective solution in the long run.
They can help to minimize the overall costs associated with heap leach pad operations.
Applications:
Heap Leach Pads
Liner System:
Geomembrane is used as a primary liner in heap leach pads to prevent the seepage of leaching solutions and contaminants into the underlying soil or groundwater.
It creates a barrier that ensures the leaching process is contained and environmentally safe.
Environmental Protection:
By containing the leaching process, geomembrane helps minimize the risk of pollution and protects the surrounding environment from harmful chemicals.
This is critical for complying with environmental regulations and maintaining a sustainable mining operation.
Durability and Longevity:
Geomembrane liners are designed to withstand harsh conditions and chemical exposure, ensuring a long service life for the heap leach pad.
Their durability reduces the need for frequent replacement and maintenance, saving costs and resources.
Other Applications
While heap leach pads are a primary application, geomembrane is also used in various other industries and applications:
Landfills and Waste Containment:
Geomembrane is used as a liner in landfills to prevent the leakage of leachate and gas emissions.
It helps to contain waste and minimize its impact on the environment.
Water Retention and Irrigation:
Geomembrane can be used to construct water retention ponds and irrigation canals, improving water management and efficiency.
Canal and Channel Lining:
It is used to line canals and channels to prevent seepage and erosion, enhancing their durability and reducing maintenance costs.
Environmental Restoration:
Geomembrane is utilized in environmental restoration projects, such as wetland restoration and soil stabilization, to promote ecological recovery.
Transportation Infrastructure:
In the transportation sector, geomembrane is used for lining tunnels, bridges, and other structures to prevent water ingress and improve structural integrity.
Agriculture:
It can be used in agriculture to construct ponds, tanks, and irrigation systems, improving water management and crop yields.
Industrial Applications:
Geomembrane is also used in industrial settings for chemical containment, wastewater treatment, and other applications requiring a durable and impermeable barrier.
In summary, geomembrane's unique properties make it a valuable material for various applications, including heap leach pads, where it plays a critical role in environmental protection, durability, and cost-effectiveness.
Packaging:
Customer's company Logo mark can be added.
Packed in woven bags.
Q&A:
Q: What can you buy from us?
A: Geomembrane,Geogrid,Geocell, Geotextile, Geocomposite, and so on.
Q: Can I have a sample?
A: Yes. And sample free.
Q: What's the payment terms?
A: T/T or L/C. Others could be negotiated.
