PU Foam Dressing is a kind of new dressing made of foaming medical polyurethane which contains CMC. Main performance of foam dressing: 1, Highly absorbent, it can absorb lots of exudates and reduce maceration to the skin. 2, It has the function of "keeping water inside". 3, There can be a layer of waterproof and semi-permeable polurethane film to prevent water, external bacterial and foreign matter from going into the wound. 4, Providing moist environment for the wound and make the wound heal faster. 5, No-adherent to the wound, foam dressing will not stick on the wound when being removed, no pain will be created. 6, It is soft, elastic and comfortable to the skin and can keep the wound from being pressed. 7, Various in shape and size to meet different clinical needs.