... construction, tunnel, sea beach, inning, eviroment protection etc.for reinforcement ,separation,filtration,drainage etc.Properties: Has good mechanical ... and filtration. Technical Sheet of Staple Fiber Needle Punched Nonwoven Geotextile No. Spec.Item Index100150200250300350400450500600800Remark1Deviation of mass per area ... -100Longitudinal and transversal short fiber needle punched nonwoven geotextile