HDPE geomembrane, short for High-Density Polyethylene geomembrane, is a synthetic barrier used to prevent fluid migration in a variety of applications. It is a highly durable and impermeable material that offers excellent resistance to chemicals, UV degradation, and puncture.
Test |
Unit |
Standard |
Test Frequency |
RH75 |
RH10 |
RH15 |
RH20 |
RH30 |
Mechanical Properties |
Thickness |
mm |
D5199 |
per roll |
0.75 |
1.00 |
1.50 |
2.00 |
3.00 |
Density |
g/cc |
D1505/D792 |
90,000 kg |
0.94 |
Tensile Properties |
|
D 6693 |
|
|
|
|
|
|
· yield strength |
kN/m |
Type IV |
9,000 kg |
11 |
15 |
22 |
29 |
44 |
· break strength |
kN/m |
|
|
20 |
27 |
40 |
53 |
80 |
· yield elongation |
% |
|
|
12 |
12 |
12 |
12 |
12 |
· break elongation |
% |
|
|
700 |
700 |
700 |
700 |
700 |
Tear Resistance |
N |
D 1004 |
20,000 kg |
93 |
125 |
187 |
249 |
374 |
Puncture Resistance |
N |
D 4833 |
20,000 kg |
240 |
320 |
480 |
640 |
960 |
Stress Crack Resistance |
hr. |
D 5397 |
per GRI GM-10 |
500 hr. |
Carbon Black Content |
% |
D 4218 |
9,000 kg |
2.0-3.0% |
Reference Propertied |
Oxidative Induction Time |
min |
D 3895 |
90,000 kg |
100 min. |
(a) Standard OIT |
D 5885 |
(b) High Pressure OIT |
|
400 min. |
Oven Aging at 85°C retained after 90 days |
% |
D 5721 |
per each |
|
(a) Standard OIT - % |
D 3895 |
formulation |
55% |
(b) High Pressure OIT - % |
D 5885 |
|
80% |
UV Resistance |
% |
|
per each |
|
High Pressure OIT - % retained after 1600 hrs |
D 5885 |
formulation |
50% |
Roll Size |
Roll Width |
m |
|
7/8 |
7/8 |
7/8 |
7/8 |
7 |
Roll Length |
m |
|
280 |
210 |
140 |
105 |
70 |
Size stability |
% |
2% |
- High impermeability: HDPE geomembranes have a very low permeability coefficient, preventing the passage of liquids and gases.
- Chemical resistance: They are resistant to a wide range of chemicals, including acids, alkalis, and solvents.
- UV resistance: HDPE geomembranes are resistant to UV degradation, ensuring long-term performance.
- Puncture resistance: They have high puncture resistance, making them suitable for use in challenging environments.
- Durability: HDPE geomembranes have a long lifespan and can withstand harsh weather conditions.
- Flexibility: They are flexible and can be easily installed in complex shapes and contours.
HDPE geomembranes are used in a variety of applications, including:
- Landfills: Lining landfills to prevent leachate contamination of groundwater.
- Wastewater treatment ponds: Lining ponds to prevent seepage and protect groundwater.
- Canals and reservoirs: Lining canals and reservoirs to prevent water loss and seepage.
- Mining and industrial sites: Containing and managing contaminated materials.
- Agriculture: Lining irrigation canals and ponds to improve water efficiency.
Geomembrane for Canal Liners
Geomembranes are often used to prevent water from seeping into canals. HDPE, LDPE, and LLDPE geomembranes are among the various varieties of geomembranes available for this application. These geomembranes frequently require protection, and there are a variety of choices available, including compacted earth, concrete, or shotcrete. The United States Bureau of Reclamation (USBR) has done a variety of tests on canal-lining systems, including the Deschutes Canal-Lining Demonstration Project, which entails the completion of 34 canal test sections, many of which use geomembranes.
Geomembrane for Mining
The HDPE geomembrane liner serves as a separation barrier and is also the most significant component in heap leaching in this application. Chemical, point loads from normally high heap loading conditions, site-specific terrain, site-specific climate conditions, and site-specific building conditions must all be considered while designing the geomembrane. Geomembrane is a cost-effective composite liner system alternative, especially if on-site clay sources are insufficient.
A bentonite (water-absorbing material) layer is sandwiched between two nonwoven geotextile layers in GCL. A 10 mm thick GCL will often operate similarly to, if not better than, a 30 cm CCL, and may even self-heal. Additional filtration and barrier capabilities are provided by GCL. The nonwoven geotextile protection layer helps disperse loads and provides support for the underlying geomembrane. By keeping small particles and gravel from accessing the geomembrane, the protective layer also aids filtration and drainage.
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1. who are we?
We are based in Shandong, China, start from 2006,sell to Domestic Market(70.00%),Southeast Asia(15.00%),Oceania(4.00%),Africa(3.00%),Central America(3.00%),South America(2.00%),North America(00.00%),Mid East(00.00%),South Asia(00.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
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More than ten years of production experience
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Language Spoken:English,Chinese
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