... fiber needle punched nonwoven Material:Polyester yarn Project100150200250300350400450500600800RemarksMass per unit bias%-8-8-8-8-7-7 ... highway,water conservancy,dam,tunnel,subway.The major functions of Non-woven Geotextile: Separation, filtration, drainage, reinforcement, protection, ... 17638-1998) of Staple Fiber Needle-Punched Non-Woven Geotextile SHD 6mx100m/roll, 250g/m2, PET Non-woven Geotextiles