Composite geomembrane is a composite geomembrane formed by applying geotextile on one or both sides of the membrane. Its forms include one cloth one film, two cloth one film, two film one cloth, etc

The geotextile serves as the protective layer of the geomembrane, preventing damage to the impermeable layer.. In order to reduce the ultraviolet radiation and increase the anti-aging performance, * * it is better to use the embedding method for laying

During construction, first use sand or clay with a smaller diameter to level the base surface, and then lay the geomembrane.

① Overlap: The overlap width should be greater than 15cm

② Hot welding: suitable for slightly thicker geomembrane substrates, with a weld overlap width of no less than 5CM.

(Adhesive bonding is not recommended, as prolonged water immersion can easily open the adhesive and result in poor anti-seepage effect.)

According to years of practice, the thickness of the geomembrane is not less than 0.25mm, and if it is too thin, it may cause air holes and may be damaged during construction, reducing the anti-seepage effect. During the construction of geomembrane, special attention should be paid to ensuring that the laying should not be too tight, wrinkling is not allowed, and the splicing should be firm. We must strictly follow the technical specifications for construction, and ensure the five quality standards of preparation, laying, splicing, inspection, and backfilling. Due to the excellent anti-seepage effect of composite geomembrane

The geomembrane is made of high-quality HDPE raw materials, mainly composed of 97.5% HDPE, about 2.5% carbon black, anti-aging agent, antioxidant, UV absorber, stabilizer and other auxiliary materials, using the current international * * advanced Italian full-automatic geotechnical production equipment, through three-layer co extrusion technology. The specifications are complete and meet the application requirements of environmental protection and sanitation, water conservancy, construction, municipal engineering, landscaping, landscape, petrochemical, mining, salt industry, agriculture, and aquaculture

I. Characteristics of geomembrane:

High anti-seepage coefficient, chemical stability, aging resistance, high mechanical strength, fast construction speed, environmental protection and non-toxic

Secondly, the application field of geomembrane

As a new type of material, geomembrane has excellent anti-seepage performance, stability, and can be processed according to actual engineering needs. Its characteristics and functions have been widely used in environmental protection and sanitation, solid waste landfill, industrial and chemical wastewater tanks, hydraulic engineering dams, reservoirs, channels, reservoirs, etc Artificial lakes, swimming pools, building roofs, underground foundations, and various environmental engineering projects are used as anti-seepage, waterproof, anti-corrosion, and moisture-proof materials

1. Environmental protection and sanitation (such as domestic waste landfill, sewage treatment plant, power plant regulating pool, industrial and hospital solid waste, etc.) Municipal works (subway, underground works of buildings, planting roofs, seepage prevention of roof garden, lining of sewage pipes, etc.)

4. Gardens (artificial lakes, rivers, reservoirs, pool bottom lining and slope protection of golf courses, waterproof and damp proof of green lawn, etc.)

5 Petrochemical (anti-seepage of oil storage tanks in chemical plants, refineries, gas stations, lining of chemical reaction tanks, sedimentation tanks, secondary lining, etc.)

6. Mining (anti-seepage of bottom lining of washing tanks, heap leaching tanks, ash yards, dissolution tanks, sedimentation tanks, storage yards, tailings, etc.)

7 Transportation facilities (foundation reinforcement of highways, anti-seepage of culverts)

8. Agriculture (anti-seepage of reservoirs, drinking water tanks, storage ponds, and irrigation systems)

9. Aquaculture (intensive and factory aquaculture ponds, lining of fish ponds, shrimp ponds, and slope protection of sea cucumber circles)

10 Salt Industry (Salt Field Crystallization Pond, Brine Pond Cover, Salt Film, Salt Pond Plastic Cover)