1.Biaxial plastic geogrid 2.Can decrease the quantity of the filling, evenly distribute the load stress 3.Has high module. Biaxial plastic geogrid is made of PP(Propylene) and HDPE( high density polyethylene), with extruding, punching, and heating before longitudinally and laterally stretched.The geogrid can decrease the quantity of the filling, evenly distribute the load stress and has high ...