Generally speaking, 1.5mm membranes with filament geotextiles required in American-Standard is chosen by most people.
1.5mm is required in urban construction ministerial standard. 2.0mm is required in national standard. You can chose one of them according to the requirements of design.
In general, it requires 1.5mm geomembranes with 5000g geosynthetic clay liners and 600g filament geotextiles in domestic landfills.
The thickness of HDPE geomembranes can be 0.75mm, 1.0mm, 1.25mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm and 3.5mm.
According to the relevant requirements of national standard CJ/T234-2006, the thickness should not be less than 1.5mm.
