1, Non woven needle punched geotextile 2, 100g to 800g/sqm white color 3, material: polyester 4, width: 1m-6m 1, Non woven needle punched geotextile2, 100g to 800g/sqm ... permeability coefficientcm/s(6~0.2)×10-1 Filament spunbond needle punched non woven geotextile