High density polyethylene geomembrane both sides smooth ... ) geosynthetic material.type: HDPE geomembrane, composite geomembrane Properties:high strength, low permeability, chemical corrosion resistance, ultraviolet & ... & explosive rubbish, etc)2. water conservancy(such as waterproofing, stopping up leak, reinforcement for lake, river, channels, ... and UV stabilized PE film. waterproofing membrane - 2mm