... 4)Application: construction, water conservancy, railway PP/PET needle-punched geotextile details as following:MATERIAL:PP/ PET (Polypropylene ... )1) Weight: 100--800g/M22) Thickness: 0.9mm TO 5.0mm3) Width:0.5m-6.6M4) Applications: construction ... conservancy, railway, road, dam bridge, waste treatment, enclosed sea to make farmland, sap projecte5) Functions: compartmentation, filtration, protection, ...