What is LLDPE geomembrane?

Release time:

2025-01-13

LLDPE geomembrane is a high-quality anti-seepage and anti-corrosion material.

LLDPE geomembrane is a high-quality anti-seepage and anti-corrosion material. The following is a detailed introduction to LLDPE geomembrane:

1. Material composition
LLDPE geomembrane is a new type of waterproof building material made of linear low-density polyethylene (LLDPE) as the main raw material, by adding a certain proportion of carbon black masterbatch, anti-aging agent, antioxidant, UV absorber, stabilizer and other additives, and extruded through a special process. The resin used is a virgin polyethylene resin specially designed and formulated for the application of flexible anti-seepage membranes.

2. Performance characteristics
Unidirectional and multi-directional extension performance: LLDPE geomembrane has extremely high unidirectional and multi-directional extension performance, and can adapt to engineering environments with uneven settlement or large local settlement.
Softness: The material has good softness, is easy to construct and lay, and is suitable for various complex terrains.
Corrosion resistance, acid and alkali resistance: Due to the characteristics of its polymer material, LLDPE geomembrane has excellent corrosion resistance, acid and alkali resistance.
Anti-oxidation and anti-ultraviolet: By adding anti-aging agents, antioxidants and ultraviolet absorbers, the material can maintain stable performance for a long time and extend its service life.
Waterproof and anti-seepage performance: As an anti-seepage material, LLDPE geomembrane has excellent waterproof and anti-seepage performance and is widely used in various projects with anti-seepage requirements.

3. Application fields
LLDPE geomembrane is widely used in various projects with anti-seepage and anti-corrosion requirements, including but not limited to:

Water conservancy projects: such as anti-seepage, plugging, reinforcement of dams and embankments of rivers, lakes and reservoirs, and anti-seepage of canals.
Environmental engineering: such as landfill closure treatment, sewage treatment plants, power plant regulating tanks, etc.
Transportation facilities: such as anti-seepage treatment of infrastructure such as roads, railways, airports, and tunnels.
Mining engineering: such as anti-seepage treatment of bottom linings in mining such as washing tanks, heap leaching tanks, and ash dumps.
Agricultural irrigation: such as anti-seepage treatment of reservoirs, drinking water pools, reservoirs, and irrigation systems.

4. Price
The price of LLDPE geomembrane is affected by many factors, such as raw material cost, production process, product specifications, market demand, etc. Therefore, its price may vary at different times and in different regions. Generally speaking, the price of LLDPE geomembrane is between RMB 1 and RMB 30 per square meter.

5. Precautions
Construction environment: When laying LLDPE geomembrane, the construction environment should be kept dry and clean to avoid sharp objects piercing the membrane surface.
Joint treatment: The joint is the key part of the anti-seepage performance of the geomembrane. It should be treated with special joint equipment or process to ensure that the joint is firm and sealed.

Maintenance: During use, the LLDPE geomembrane should be inspected and maintained regularly to detect and deal with potential problems in a timely manner.
In summary, LLDPE geomembrane plays an important role in anti-seepage projects with its excellent performance characteristics and wide application fields.

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