Products Description
Geomembranes for dam lining are commonly utilized in Kenya to manage water for different purposes such as reservoir building and maintenance, as well as pond and dam construction.
The use of dam liner geomembranes has become widespread in Kenya as a solution to the growing problem of water scarcity. These geomembranes are instrumental in storing rainwater for agricultural purposes and preventing groundwater contamination. Their importance in water conservation and management cannot be overstated, especially in arid and semi-arid regions where water resources are at a premium. By using these liners, the country is better equipped to address this critical issue and ensure a secure water supply for future generations.
In Kenya, geomembranes are commonly used as liners for dams, and two of the most popular types are high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) geomembranes. These materials are chosen for their exceptional flexibility, longevity, and resilience against punctures, UV radiation, and chemical wear and tear.
Installation Notes
To ensure a durable and efficient water containment system in Kenya, it is crucial to adhere to appropriate engineering guidelines and practices during the installation of a dam liner geomembrane. The process typically involves several key steps. Firstly, the subgrade is prepared to create a stable foundation for the liner. This includes removing any sharp objects or debris and compacting the soil to ensure a solid base.
To ensure that a dam liner installation is done properly and in accordance with local regulations, it is highly recommended to seek the advice of local experts, engineers, or specialized companies who have experience in this particular field. These professionals can help determine the most appropriate type of geomembrane material and installation method to suit the specific requirements of the project.
As technology and techniques continue to advance, it is essential to stay updated on the latest practices and innovations in dam liner geomembranes to maximize water storage efficiency and minimize environmental impacts. 
Latest Practices and Innovations in Dam Liner Geomembranes
Advanced Geomembrane Materials: Manufacturers are continually developing new geomembrane materials with improved properties to enhance their performance. These materials may have increased strength, flexibility, and chemical resistance, allowing for better long-term durability and performance in various environmental conditions. Composite Geomembranes: Composite geomembranes combine different materials to take advantage of their individual strengths. For example, a composite liner may include a geomembrane layer combined with a geotextile layer for added protection against punctures or a geosynthetic clay liner (GCL) for improved hydraulic performance. Geomembrane Leak Detection Systems: Advanced leak detection systems are being integrated into dam liner installations to monitor the integrity of the liner and detect potential leaks or breaches. These systems use various technologies such as electrical conductivity sensors, vacuum testing, or ultrasonic testing to identify leaks early and prevent water loss or environmental contamination.
BPM geomembrane factory and production
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contact information
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Properties |
Test Method |
Test Value |
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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 |
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-15% |
-15% |
-15% |
-15% |
-15% |
-15% |
-15% |
-15% |
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Density (min. ave.) |
D 1505/D792 |
0.940 g/cc |
0.940 g/cc
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0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
0.940 g/cc |
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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 |
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14N/mm |
20N/mm
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27 N/mm |
33 N/mm |
40 N/mm |
53N/mm |
67 N/mm |
80 N/mm |
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Yield elongation |
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12% |
12% |
12% |
12% |
12% |
12% |
12% |
12% |
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Break elongation |
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700% |
700% |
700% |
700% |
700% |
700% |
700% |
700% |
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Tear Resistance (min. ave.) |
D 1004 |
63 N |
93 N |
125 N |
156 N |
187 N |
249 N |
311 N |
374 N |
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Puncture Resistance (min. ave.) |
D 4833 |
160N |
240N |
320 N |
400 N |
480 N |
640 N |
800 N |
960 N |
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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 % |
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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. |
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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% |
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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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