(1)It is made of high density polypropylene. (2)High tensile strength and tensile modulus. HDPE Uniaxial Geogrids is manufactured from Polypropylene. It is produced through the process of extruding, punching, heating and stretching.PerformanceHigh tensile strengthHigh elastic modulusApplicationSoft foundation reinforcing for highway, railway Reinforcing for retaining wall, ...