single textured geomembrane
Key Performance Advantages
1. High-Friction Anti-Slip Surface
Textured surface height ≥ 0.25 mm significantly increases the friction coefficient with geotextiles, gravel, or soil, effectively preventing slippage and wrinkling during installation on steep slopes, thereby enhancing slope stability.
2. Exceptional Impermeability
Permeability coefficient ≤1.0×10⁻¹³ g·cm/cm²·s·Pa, effectively blocking liquid penetration; suitable for high-demand waterproofing applications such as landfills, tailings ponds, and wastewater treatment tanks.
3. High Durability and Adaptability
Service life of 50–70 years, with stable performance over a temperature range of -60°C to +60°C;
A single-textured geomembrane is an impermeable material made by applying a special process to create a rough texture on one side of a smooth high-density polyethylene (HDPE) film. Its primary function is to enhance friction with the contact surface, making it widely used in engineering applications involving slopes and steep inclines where sliding is a risk, ensuring the stability of the impermeable system.
It acts like an "anti-slip shoe" for slopes, significantly improving structural safety without compromising impermeability. With one smooth side and one textured side, this membrane combines the high sealing performance of smooth films with the high friction characteristics of textured surfaces, making it a highly practical composite geosynthetic material in modern environmental and civil engineering.
I. Key Performance Advantages
1. High-Friction Anti-Slip Surface
Textured surface height ≥ 0.25 mm significantly increases the friction coefficient with geotextiles, gravel, or soil, effectively preventing slippage and wrinkling during installation on steep slopes, thereby enhancing slope stability.
2. Exceptional Impermeability
Permeability coefficient ≤1.0×10⁻¹³ g·cm/cm²·s·Pa, effectively blocking liquid penetration; suitable for high-demand waterproofing applications such as landfills, tailings ponds, and wastewater treatment tanks.
3. High Durability and Adaptability
· Service life of 50–70 years, with stable performance over a temperature range of -60°C to +60°C;
· Resistant to acids, alkalis, salts, and various organic pollutants, suitable for complex environments in chemical, metallurgical, and mining industries.
4. Excellent Construction Performance
· Capable of hot-melt welding, offering high weld strength and fast installation;
· Smooth side faces down to adhere to the base, while the textured side faces up to facilitate geotextile placement, forming a stable sandwich structure.
II. Typical Applications
1. Landfill Slope Liner Protection: Prevents geomembrane slippage under rainwater erosion, ensuring liner integrity.
2. Tailings Ponds and Red Mud Depositories: Withstands high pressure and subsidence-prone conditions, preventing leakage of heavy metal leachate.
3. Artificial Lakes and Channel Linings: Used on sloped sections to avoid seepage failure due to sliding.
4. Tunnel and Underground Structures: Serves as a moisture barrier, with textured surface enhancing adhesion to shotcrete.
III. Installation recommendation:
During slope construction, the textured surface should face upward to facilitate the subsequent placement of geotextile or protective layer, creating a high-friction "textured surface + fabric" combination that prevents interlayer sliding.
