Properties : 1.made of unique tri-dimension geonet adhibit non woven geotextile on one side or both sides. 2.it has the property of geotextile (filtration function) and geonet (drainage and protection)and provide a function system "filtration--drainage--protection"3.the core of net with its unique tri-dimensionstructure can bear higher compressing load in construction and remain the certain thickness ,provide good water conductivity.Product data:Drainage network coreunitsSpecificationUnit weightg/m2750100013001600ThicknessMm5.06.07.07.6Hydraulic conductivitym/sKx10-4Kx10-4Kx10-4Kx10-4Elongation%50505050Tensile strength(core netwaork)kN/m8101214Geotextileg/m2Heavier grades of geotextiles can be bonded to geonet on requestUseages:landfill drainage,road bed and road drainage,railway drainage,tunnel drainage,under ground structure drainage, the retaining bcack wall drainage,gardens and sports grounds drainage