DuraFlex flexible partials most distinguishing benefit is its polyolefin thermoplastic polymer base (rather than nylon). This material has been used in the medical field for years because it is inert, durable and resistant to many chemical solvents, bases, and acids. It has a water resorption rate ten times lower than nylon, so DuraFlex is resists stains and odors. It is one of our most durable and color stable flexible solutions. Polyolefins are also easier to adjust and polish, making this a convenient and dependable flexible product for your patients.