biaxial geogrid ISO9001 high tensile strength good toughness convenient for construction biaxial geogrid(factory) Biaxial geogrid is manufactured from polypropylene, mainly applied in strengthening soft ground of highway, railway, slope protecting projects, airfields etc.It can increase stability and loading capacity of fundus,prolong the project life. product data sheet:ItemUnitTGSG20-20TGSG30- ...