Filament nonwoven geotextile is a filament spunbond needle punched nonwovens made of polyester chips through spinning, net laying, and needle punching. According to the type of fiber, it is divided into polyester, polypropylene, nylon, polypropylene and other filament spunbond needle punched nonwoven geotextiles; According to the structure, it is divided into ordinary type and composite type.
Filament nonwoven geotextile has the characteristics of high strength, anti aging, acid and alkali resistance, wear resistance, good flexibility and easy construction. Filament nonwoven geotextiles are generally used for filtration, isolation, protection, etc., and are made into geobags and other products. It is used for drainage layer in composite
geomembrane, etc. Filament nonwoven geotextiles are generally used in landfills, saline alkali swamps, and are also widely used in the filtration, isolation and drainage of highways, railways, dams, coastal mudflats and other projects.