... is GCL without HDPE layer, the other is HDPE GCL. For GCL, it is widely used in landfill, lagoon, river bottom ... , basement and so on. For HDPE GCL, it is used in subway, basement, tunnel, underground ... will serve for our customer with all our effort. Application:Landfills Mud PitsLagoons Canals Bund Lining Tank Lining Fish Farm Lining Roof LiningWaste ...