HydraFlex® Ultra HU20B is a very flexible linear-low density polyethylene geomembranes. Virgin grade high-strength LLDPE provides exceptional elongation, tensile and impact strength. Antioxidants and a minimum carbon black content of 2.0% delivers excellent protection from UV rays and harsh weather conditions. HydraFlex® Ultra is exceptionally pliable and conforming, and is preferred for ease-of-field seaming or factory fabricated high strength seams.