Function
Light in weight,easy to transport and operate;
Super weatherability,Long life;
Strong inpact resistance,excellent resistance to chemical corrosion;
Strong catchment capacity,Let out the catchment quickly and avoid soil erosion.
Parameter
Part of catchment: 65%~75%
Part of drainage: 25%~35%
Diameter of main hole: >5mm
Area of main hole: >10mm2
Percentage of opening: >8000/m2 (expanding)
Ring stiffness: >2.0Kpa
Now it is widely used on underdrainage. Such as highway, railway, tunnel, airport, shipside, landfill yard, playgroung, underground passage, enbironmental protection, protective works and other important projects.