Products Description
High-Density Polyethylene is a popular choice for geomembranes due to its excellent chemical resistance, UV stability, and flexibility. HDPE liners are resistant to punctures, tears, and abrasion, making them suitable for various water storage applications.
The 0.5mm thickness refers to the gauge or thickness of the geomembrane. It is relatively thin and suitable for applications where the water pressure or stress on the liner is low to moderate.
The flexibility of HDPE liners allows them to conform to the shape of the pond or reservoir, making installation easier. They can be fabricated in large panels to minimize the number of seams, reducing the risk of potential leakage points.
HDPE geomembranes are treated with UV stabilizers to enhance their resistance to ultraviolet radiation. This feature prevents degradation and extends the lifespan of the liner, even when exposed to direct sunlight.
When using a 0.5mm HDPE pond liner for water storage, it is important to properly prepare the site, including removing sharp objects and ensuring a smooth subgrade. Adequate seam welding or joining techniques should be employed to maintain the liner's integrity and prevent leaks. Additionally, regular inspection and maintenance are crucial to identify and address any potential issues promptly.
Please note that the information provided here is based on general knowledge about HDPE geomembranes and may not be specific to any particular brand or product. It is always recommended to consult with experts or manufacturers for specific guidelines and recommendations based on your project requirements.
Installation
Ponds and Water Storage Structures: 0.5mm HDPE pond liners are suitable for the construction of various ponds and water storage structures. They can be used for agricultural irrigation ponds, fishponds, garden water features, water treatment ponds, industrial tanks, and more.
Impermeability: HDPE is a material known for its excellent impermeability. A 0.5mm HDPE liner effectively prevents water from seeping and penetrating, ensuring the stability of water storage structures and efficient utilization of water resources.
Chemical Stability: HDPE material exhibits good chemical stability, making it resistant to various chemicals, including acids, alkalis, and certain chemical solutions. This makes HDPE liners ideal for environments that require resistance to chemical corrosion.
Installation: As the 0.5mm HDPE liner is relatively thin, care must be taken during installation to avoid damaging it. Prior to laying the liner, the base needs to be cleared and leveled, ensuring the absence of sharp objects. Attention should be paid to avoid scratching, puncturing, or damaging the liner during installation.
Maintenance and Repair: Regular inspection and maintenance are crucial to ensure the long-term reliability of the liner. Check for any damage, cracks, or leaks and perform timely repairs to prevent further harm.
Accessories and Attachments: The installation of HDPE liners may require the use of additional materials and attachments, such as liner adhesives, sealing tapes, liner fasteners, and more. These accessories and attachments contribute to the safety and integrity of the liner.
Environmental Friendliness: HDPE is an environmentally friendly material that can be recycled and reused. When using and disposing of HDPE liners, it is important to comply with local environmental regulations and guidelines.
It is important to consult professionals or manufacturers for specific project implementation and installation, as they can provide detailed technical specifications and best practices based on your specific requirements.
Technical data
The production process of a 1.5mm textured HDPE geomembrane liner involves several steps. Here's a general overview of the process:
1. Raw Material Preparation: High-Density Polyethylene (HDPE) resin is typically used as the base material for geomembrane liners. The resin is received in pellet form and undergoes various quality checks to ensure it meets the required specifications.
2. Extrusion: The HDPE resin pellets are then fed into an extruder, which melts the resin and forms it into a continuous, flat sheet. The extruder consists of a heated barrel and a screw that pushes the molten resin through a die, shaping it into the desired thickness and width.
3. Texturing: Once the HDPE sheet is formed, it passes through a texturing unit. This unit applies a pattern or texture to one or both sides of the sheet. The texture enhances friction and grip, improving the liner's interface with the subgrade and reducing the chances of slippage.
4. Cooling and Sizing: After texturing, the sheet goes through a cooling process to solidify the molten HDPE and stabilize its dimensions. It may pass through a series of cooling rollers or a water bath to rapidly cool the material. During this stage, the liner's width and thickness are also carefully monitored and adjusted as needed.
5. Quality Control: The textured HDPE geomembrane liner is then subjected to rigorous quality control tests to ensure it meets the required standards. These tests may include measuring thickness, tensile strength, tear resistance, puncture resistance, and other relevant properties.
6. Rolling and Packaging: Once the geomembrane liner passes all quality control tests, it is rolled onto large spools or reels. The liner is carefully wound to prevent damage during transportation and storage. It may be packaged in protective wrapping to safeguard it from exposure to UV light and other potential hazards.
It's important to note that specific production processes may vary depending on the manufacturer, equipment used, and the desired properties of the geomembrane liner. Manufacturers may also incorporate additional steps, such as adding UV stabilizers or other additives to enhance the liner's performance and longevity.
Contact information
|
Properties |
Test Method |
Test Value |
|||||||||
|
|
|
0.5 mm |
0.75mm |
1.00 mm |
1.25 mm |
1.50 mm |
2.00 mm |
2.50 mm |
3.00 mm |
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|
Maximum Deviation of thickness |
|
-15% |
-15% |
-15% |
-15% |
-15% |
-15% |
-15% |
-15% |
||
|
Density (min. ave.) |
D 1505/D792 |
0.940 g/cc |
0.940 g/cc
|
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
||
|
Tensile Properties(min.ave) |
Yield strength
Break strength |
D6693 |
8N/mm |
11 N/mm |
15 N/mm |
18 N/mm |
22 N/mm |
29 N/mm |
37 N/mm |
44 N/mm |
|
|
|
|
|
14N/mm |
20N/mm
|
27 N/mm |
33 N/mm |
40 N/mm |
53N/mm |
67 N/mm |
80 N/mm |
|
|
Yield elongation |
|
12% |
12% |
12% |
12% |
12% |
12% |
12% |
12% |
||
|
Break elongation |
|
700% |
700% |
700% |
700% |
700% |
700% |
700% |
700% |
||
|
Tear Resistance (min. ave.) |
D 1004 |
63 N |
93 N |
125 N |
156 N |
187 N |
249 N |
311 N |
374 N |
||
|
Puncture Resistance (min. ave.) |
D 4833 |
160N |
240N |
320 N |
400 N |
480 N |
640 N |
800 N |
960 N |
||
|
Carbon Black Content (range) |
D 4218 |
2.0-3.0 % |
2.0-3.0 % |
2.0-3.0 % |
2.0-3.0 % |
2.0-3.0 % |
2.0-3.0 % |
2.0-3.0 % |
2.0-3.0 % |
||
|
Oxidative Induction Time (OIT) (min.ave.) Standard OIT |
D 3895 |
100 min. |
100 min. |
100 min. |
100 min. |
100 min. |
100 min. |
100 min. |
100 min. |
||
|
Oven Aging at 85°C Standard OIT (min. ave.) - % retained after 90 days |
D 5721 D 3895 |
55% |
55% |
55% |
55% |
55% |
55% |
55% |
55% |
||
|
UV Resistance High Pressure OIT (min. ave.) - % retained after 1600 hrs |
D 3895 D 5885 |
50% |
50% |
50% |
50% |
50% |
50% |
50% |
50% |
||
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