Uniaxial tensile plastic geogrid

Using high molecular polymer and nano-scale carbon black as the main raw materials, it is produced by extrusion and traction process to form a geogrid product with uniform mesh in one direction.

Plastic geogrid is a square or rectangular polymer mesh formed by stretching, which can be uniaxial stretching and biaxial stretching according to the different stretching directions during manufacture. It punches holes on the extruded polymer sheet (mostly polypropylene or high-density polyethylene), and then performs directional stretching under heating conditions. The uniaxially stretched grid is made by stretching only along the length of the sheet, while the biaxially stretched grid is made by continuing to stretch the uniaxially stretched grid in the direction perpendicular to its length.

Because the polymer of the plastic geogrid will be rearranged and oriented during the heating and extension process during the manufacture of the plastic geogrid, the bonding force between the molecular chains is strengthened, and the purpose of improving its strength is achieved. Its elongation is only 10% to 15% of the original sheet. If anti-aging materials such as carbon black are added to the geogrid, it can make it have better durability such as acid resistance, alkali resistance, corrosion resistance and aging resistance.