BPM brand filament polyester geotextile is the kind of continuous filament needle punched non–woven geotextile made from polyester virgin material, formed by the process of needle punching and thermally bonding. Our filament polyester geotextile offers optimum performance per unit weight which features good mechanical properties of tensile strength and puncture resistance, good drainage ability, acid and alkali resistance and anti-aging. Filament geotextile is widely used for separation, filtration, drainage, protection and subgrade reinforcement functions for civil engineering projects.