... a new construction material, which the raw material is polypropylene fiber,polyester fibre,acrylics,nylon and other high polymer, ... still maintain good permeability. 8.Corrosion resistance,use polypropylene or polyester, chemical fiber as raw material, acid and alkali resistance, ... , all kinds of geotextile, exhibition carpet, and polyester fiber, with annual output reaching 3000 tons of various non ...