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Introduction: Geomembrane is a kind of waterproof material with basic raw material of high molecular polymer.

Application:

Applied in the projects of landfill waste site, bank,

dam, pool, filth treatment site, tailings depot, subway and tunnel etc.

Properties of Geomembrane

Elongation at break(%)	≥400	≥400		≥550
Right angle tearing strength(N/mm)	≥50	≥80		≥110
Carbon black content	≥2%	≥2%		≥2%
Density (g/cc)	0.940	0.940		0.940
Permeability coefficient of vapor (g·cm/cm2·s·pa)	≤1.0x	≤1.0x		≤1.0x
Scope of application temperature	+70℃～-70℃	+70℃～-70℃		+70℃～-70℃
Environmental stress resistant cracking performance ()			≥1500
Oxidation induction time at 200℃ (minute)			≥20
Thickness (mm)	0.3~2.5
Width (m)	2~7

Waterproof Geomembrane/Liner/ Sheet with China Top Quality

Q:How do geomembranes perform in high altitude areas?: Geomembranes perform well in high altitude areas as they are designed to withstand various environmental conditions. The materials used in these membranes are often resistant to UV radiation, extreme temperatures, and harsh climate, making them suitable for high altitude regions. Their durability and flexibility allow them to maintain their integrity even in extreme conditions, providing effective containment and protection against erosion, seepage, and leakage.

Q:Are geomembranes effective in preventing soil contamination?: Yes, geomembranes are effective in preventing soil contamination. They act as a barrier between the soil and potential contaminants, such as chemicals or pollutants, thereby preventing them from infiltrating and contaminating the soil. Geomembranes are impermeable and provide a reliable solution for various applications like landfills, mining sites, and agricultural fields, where they effectively protect the soil and surrounding environment from contamination.

Q:Can geomembranes be used for irrigation canals?: Yes, geomembranes can be used for irrigation canals. They are often used as liners to prevent water seepage, ensuring efficient water delivery to crops and preventing soil erosion. Geomembranes offer a reliable and cost-effective solution for lining and protecting irrigation canals.

Q:What are the factors to consider when selecting a geomembrane material?: When selecting a geomembrane material, some of the key factors to consider include the required strength and durability, chemical resistance, flexibility, puncture resistance, UV stability, installation method, and cost. Additionally, the specific project requirements, such as the type of containment, environmental conditions, and potential hazards, should also be taken into account.

Q:How do geomembranes perform in high groundwater table gas containment applications?: Geomembranes perform well in high groundwater table gas containment applications. They act as an impermeable barrier, preventing the migration of gases such as methane or radon from the ground into the surrounding environment. The material used in geomembranes is resistant to chemical and biological degradation, ensuring long-term effectiveness. Additionally, they can be customized to specific project requirements, ensuring a tight and secure seal.

Q:How do geomembranes handle wind erosion?: Geomembranes are designed to be highly resistant to wind erosion. They are made from durable materials that can withstand strong winds without being damaged or displaced. Additionally, geomembranes are securely anchored to the ground using various anchoring techniques, such as weights or buried edges, to prevent them from being lifted or blown away by the wind.

Q:Are geomembranes resistant to puncture from tree roots?: Yes, geomembranes are generally resistant to puncture from tree roots. They are designed to be highly durable and provide a barrier against external forces, including tree roots. However, it is important to note that the resistance to puncture can vary depending on the specific type and thickness of the geomembrane, as well as the size and strength of the tree roots. Proper installation techniques and regular inspection are crucial to ensuring long-term protection against root punctures.

Q:Can geomembranes be used in floating covers for water reservoirs?: Yes, geomembranes can be used in floating covers for water reservoirs. They provide an impermeable barrier that helps to prevent water loss and contamination. Additionally, geomembranes offer excellent durability and resistance to UV radiation, making them suitable for long-term use in floating covers.

Q:How are geomembranes used in construction?: Geomembranes are used in construction as a barrier to contain liquids or gases, prevent seepage, and provide stability. They are commonly used in various applications such as lining canals, ponds, landfills, and tunnels to ensure environmental protection, enhance structural integrity, and control fluid migration.

Q:What should pay attention to in the construction of geomembrane?: The best method is using buried laying. During construction, first of all, level out the base surface with smaller sand or clay, and then pave geomembrane. Don't stretch geomembrane too tightly, both ends embedded in the soil section is corrugated and finally pave a layer of about 10cm transition layer with fine sand or clay on paved geomembrane. Block 20-30cm stone (or concrete precast block) as scour prevention layer. It is better to avoid the stones to hit on geomembrane, and it is better to carry on the construction of the protective layer while pavement of geomembrane.

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