Geomembrana 20 Mils
1. Efficient anti-seepage: Made of high-quality materials such as high-density polyethylene, it has excellent anti-seepage performance, effectively preventing liquid leakage, and can be widely used in water conservancy projects, landfills, etc.
2. Durable: It has good anti-aging, UV resistance and chemical corrosion resistance. Even if it is used for a long time in harsh environments, it can still maintain stable performance, and its service life can be up to decades, reducing later maintenance costs.
3. Convenient construction: The product is lightweight, flexible, easy to transport and lay, and can significantly shorten the construction period.
4. Environmental safety: The material is non-toxic and harmless, will not cause pollution to soil, water bodies, etc., meets environmental standards, and can be used in ecological engineering, agricultural irrigation, and other fields to effectively protect the ecological environment.
Products Introduction：
Geomembrana 20 Mils is a waterproof and barrier material made from polymer materials, which has excellent functions such as anti-seepage, isolation, and reinforcement. It is processed through advanced production technology, with a light and thin texture but strong performance, and can adapt to the needs of different engineering environments. It is an indispensable key material in modern civil engineering. Whether in the fields of water conservancy, municipal engineering, environmental protection, transportation, etc., it can play an important role with its reliable performance, providing solid guarantees for the stable operation of various projects.
Product Features：
1. Outstanding high-efficiency anti-seepage performance: High quality materials such as high-density polyethylene are used, with a dense molecular structure that can effectively prevent the infiltration of various media such as water, sewage, and chemical liquids. After professional testing, its anti-seepage effect far exceeds traditional materials, ensuring that there will be no leakage problems in the project during long-term use, greatly reducing the engineering risks caused by leakage.
2. Strong durability and adaptability to harsh environment: excellent anti-aging ability, which can resist long-term ultraviolet radiation without performance degradation; At the same time, it has good corrosion resistance to acidic, alkaline, salt and other chemical substances, and can maintain stable performance in complex soil and water quality environments. In addition, it has high tensile strength, can withstand certain geological deformations, and has a service life of several decades.
3. Convenient construction and controllable quality: The product is lightweight, flexible, and easy to transport and handle, which can reduce the consumption of manpower and material resources during construction. The laying process is simple and efficient, and can be flexibly cut according to the shape of the project. By using specialized welding equipment for welding, seamless connections can be achieved, and the welding quality is easy to detect, ensuring the integrity and reliability of the entire anti-seepage system and significantly shortening the construction period.
4. Environmental protection and safety, in compliance with standards: The materials used are non-toxic and harmless, and will not cause pollution to the environment during production and use, nor will they affect the surrounding soil, vegetation, and aquatic ecology. The product complies with relevant national environmental standards and engineering specifications, and can be safely applied in various projects with high environmental requirements, balancing engineering benefits and ecological protection.
Product Parameters：
Metric | ASTM | unit | Test value | Minimum test frequency | ||||||
test method | 0.75 mm | 1.00 mm | 1.25 mm | 1.50 mm | 2.00 mm | 2.50mm | 3.00 mm | |||
Minimum average thickness | D5199 | mm | 0.75 | 1 | 1.25 | 1.5 | 2 | 2.5 | 3 | Per volume |
Minimum value (any one of 10) | -10% | -10% | -10% | -10% | -10% | -10% | -10% | |||
minimum density | D 1505/D 792 | g/cm3 | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 | 90,000 kg |
Minimum average tensile performance (1) | D638 Type IV | |||||||||
Breakage strength, | N/mm | 20 | 27 | 33 | 40 | 53 | 67 | 80 | 9,000 kg | |
yield strength | N/mm | 11 | 15 | 18 | 22 | 29 | 37 | 44 | ||
Strain extension, | % | 700 | 700 | 700 | 700 | 700 | 700 | 700 | ||
yield extension | % | 12 | 12 | 12 | 12 | 12 | 12 | 12 | ||
Minimum strength of right-angle tear | D 1004 | N | 93 | 125 | 156 | 187 | 249 | 311 | 374 | 20,000 kg |
Minimum puncture strength | D4833 | N | 240 | 320 | 400 | 480 | 640 | 800 | 960 | 20,000 kg |
Constant tensile load stress cracking (2) | D5397 | hour | 300 | 300 | 300 | 300 | 300 | 300 | 300 | Based on GRI GM-10 |
Carbon black content | D 1603(3) | % | 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 | 9,000 kg |
Carbon black dispersion | D5596 | Note (4) | Note (4) | Note (4) | Note (4) | Note (4) | Note (4) | Note (4) | 20,000 kg | |
Oxygen induction time (OIT) (5) | 90,000 kg | |||||||||
(a) Standard OIT | D3895 | minute | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
（b） high-handed OIT | D5885 | minute | 400 | 400 | 400 | 400 | 400 | 400 | 400 | |
85℃ Oven aging (minimum average) (5)(6) | Per formula | |||||||||
(A) Standard OIT is retained after 90 days | D 5721 | % | 55 | 55 | 55 | 55 | 55 | 55 | 55 | |
(B) High voltage OIT is retained for 90 days | D 3895 D5885 | % | 80 | 80 | 80 | 80 | 80 | 80 | 80 | |
Ultraviolet resistance (7) | Per formula | |||||||||
（a） standard OIT | D3895 | Note (8) 50 | ||||||||
(b) Retention of high pressure OIT after 1600 hours (9) | D5885 | % | ||||||||
Product Applications：
1. Water conservancy engineering: In reservoirs, dams, channels and other engineering projects, geomembranes can be used for anti-seepage treatment to prevent water resource leakage, improve the water storage capacity and safety of water conservancy facilities, and ensure agricultural irrigation and urban water supply.
2. Environmental engineering: Landfills are an important application scenario that can effectively isolate leachate from garbage, prevent harmful substances from infiltrating soil and groundwater, and protect the surrounding environment; In sewage treatment plants, it can be used for anti-seepage in sedimentation tanks, regulating tanks, etc., to avoid pollution caused by sewage leakage.
3. Transportation engineering: In the construction of roadbeds for highways and railways, geomembranes can play a role in isolation and reinforcement, prevent roadbed settlement and overturning, and improve the stability and service life of roads; In tunnel engineering, it can be used for waterproofing and anti-seepage, ensuring dryness inside the tunnel.
4. Agriculture and ecological engineering: In the field of agriculture, it can be used for anti-seepage of reservoirs and irrigation channels, reducing water resource waste and improving irrigation efficiency; In ecological wetlands, artificial lakes and other projects, it can maintain water stability, provide a good growth environment for animals and plants, and assist in ecological restoration and landscape construction.
As a high-performance waterproof and barrier material, geomembrane plays an irreplaceable role in many fields such as water conservancy, environmental protection, transportation, agriculture, and ecology due to its significant advantages of high efficiency, impermeability, durability, stability, convenient construction, and environmental safety. It can not only ensure the safe and stable operation of various projects, reduce project risks and maintenance costs, but also take into account ecological environment protection in the application process, which is in line with the sustainable development concept of modern engineering construction. Whether it is large-scale infrastructure construction or small-scale ecological restoration projects, geomembranes are an ideal choice for improving engineering quality and protecting the ecological environment.
