... .5kn/m. 3)220-480g/m2 4)thickness:10~20mm three dimension geomat Product Introduction1)Polyethylene (PE) 2)Tensile strength:0.8 ... speed current.3.Replace the concrete, asphalt, and block, using in the slope surface protection of roadway, railway, river-way, dyke ... can be manufactured according to the demands of the contract three dimension geomat