... %25-1000.07-0.2 EOS 090mm Coefficient of vertical permeability ,cm/sk×(10-1~10- ... Geotextile is widely used in the areas of railway,highway,water conservancy,dam,tunnel,subway. ... The major functions of Non-woven Geotextile: Separation, filtration, drainage, ... light.Technical parameters (GB/T 17638-1998) of Staple Fiber Needle-Punched Non-Woven Geotextile SHD ...