This black 0.4 mm LDPE coextruded film offers very good mechanical resistance properties, thanks to its triple-layer technology. Rotproof and waterproof.
Black LDPE 400 μm film is used in self-standing wastewater treatment systems, in particular to ensure watertightness in watertight drained sand filter, raised bed or compact sand filter systems. It can also be used in undrained sand filter systems, for lateral watertightness.