... 4.good ability in filtration, separation, protection, erosion control,et Specifications: 100% polyester non woven geotextile for highway Technics ... railway,dam, reclamation for filtration, separation drainage and protection. Our product can be used to keep soil from ... resistant, the geotextile can also be used as protection of trees in winter. Weight200gsmWidth4.0mCertification:SGS,ISO9001Country ...