Polypropylene Staple Fiber Nonwoven Geotextile for Road Excellent water flow propertiese for drainage and other applications Polypropylene ... / filter fabric provide tensile reinforcement, filtration, and separation for roads, roofs, railroads, ponds, dams, trenches, landfills ... particles while allowing for the free flow of waterSeparation and stabilization in road and railway constructionPrevention ...