It has an extremely high impermeability coefficient and excellent water vapor barrier performance, which can effectively prevent liquid leakage and gas volatilization. It has excellent heat resistance and cold resistance, and can work stably in the temperature range of -70℃ to 110℃, adapting to extreme climate conditions. It has high tensile strength and elongation at break, good environmental stress crack resistance, and can cope with the strain caused by uneven geological settlement. It does not contain chemical preservatives, is environmentally friendly and non-toxic, and is easy to construct. High-strength joints can be achieved through hot-melt welding, with high impermeability grade. The overall performance is suitable for various complex engineering scenarios.
The thickness ranges from 0.1mm to 3.0mm, and the commonly used thicknesses in conventional projects are 0.75mm, 1.0mm, 1.5mm, 2.0mm, etc.; the width ranges from 1m to 12m, and conventional widths of 6m to 8m can be customized according to engineering needs. The length can be cut according to the project design requirements, with a maximum supply capacity of 100 million square meters. The product is divided into two surface types: smooth and rough. The friction coefficient of the rough surface membrane is ≥0.6, which is suitable for slopes and other scenes requiring anti-slip; the smooth surface type focuses on impermeability efficiency and is suitable for flat laying scenes. All specifications comply with the national standard GB/T17643-2008.
In the field of environmental protection and sanitation, it is used as an impermeable liner for landfills, sewage treatment plants, and industrial solid waste disposal sites to prevent harmful substances from leaking and polluting soil and groundwater. In water conservancy projects, it is applied to the impermeability, leakage plugging and reinforcement of rivers, lakes and reservoir dams, as well as the impermeable treatment of canals and liquid storage pools, and vertical core walls and slope protection projects. In municipal engineering, it is suitable for the impermeability of subways, underground engineering of buildings, planted roofs and roof gardens, as well as the inner lining protection of sewage pipelines. In addition, it is widely used in the impermeability of oil storage tanks in the petrochemical industry, the lining impermeability of mine tailings ponds, the impermeability of agricultural irrigation systems and the inner lining of aquaculture ponds.
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