Polypropylene staple fiber needle punched nonwoven geotextile is made from polypropylene fibers by carding, lapping, needle punched then winding into roll to become finished products. Because Polypropylene have good air permeability and water permeability, it can keep sand and soil when water flowing. Polypropylene staple fiber has good hydraulic conductivity, it can form a drainage channel inside the soil so as to discharge extra air or water from structure of soil.
Aperture can’t be jammed easily, high permeability, anti-corrosion, anti-acid and alkali, insect resistance eat by moth, antioxidant, good flexibility and easy to use for construction.
Used in the area of hydroelectric, highway, railway, port, airport, sports buildings, tunnel, coastal beach, etc for filtration, separation, drainage and protection.