The SYNOVA Non-Woven Needle-Punched Geotextile 600 Series is a line of heavy-duty soil separation underlayment made from 100% polypropylene staple fibers formed into a random network for dimensional stability. They can be used for many soil separation underlayment applications including concrete, pavement or gravel road construction, erosion control, rip rap underlay, drainage control, embankments and shorelines, retaining walls, and general separation and stabilization. The SYNOVA Geotextile 600 Series resists ultraviolet deterioration, rotting, biological degradation, naturally encountered basics and acids, and is stable within a PH range of 2 – 13.