Seepage geotextile symbol
I produce geotextile materials
At present, the engineering commonly used seepage geotextile is divided into polyester staple geotextile and polyester filament geotextile two. Polyester staple geotextile identification symbol for the SNG, for example, 150g / ㎡ polyester staple geotextile can be expressed as SNG150. Polyester filament geotextile identification symbol for the FNG, for example, 200g / ㎡ of polyester filament geotextile can be expressed as FNG200. In the national standard in the seepage geotextile on the permeability of the test items are equivalent pore size O90 (95) / mm and vertical permeability coefficient CM / S two.
