1)3D grid(3D geomat ) 2)Polyethylene (PE) 3)Tensile strength:0.8 ... m. 4)220-480g/m2 5)thickness:10~20mm 3D grid(3D geomat )Characteristics: It is a kind of 3D ... current.3.Replace the concrete, asphalt, and block, using in the slope surface protection of roadway, railway, river-way, ... dyke, and the hillside, etc.aSpecification of the 3D grid(3D geomat ) Item SpecEM2EM3EM4EM5Weight per sq.m. ≥(g/m2) ...