The polyurethane floor ( PU） What is the distinguishing feature of the sole?
polyurethane is short for polyurethane, English name is polyurethane, it is A kind of polymer material, composed of A/B/C polyester foam, oil and water two kinds. Is a new kind of organic polymer materials, has been hailed as a & other; The fifth big plastic & throughout; And more used in the manufacture of leather shoes, sports shoes, travel shoes, etc. Advantages: low density, texture is soft, good elasticity, wear comfortable light; Good oxidation resistance, excellent wear resistance, bending resistance, high hardness; Good shock absorption, prevent slippery performance; Good heat resistance performance; Good chemical resistance; Easy corrosion conducive to environmental protection, is not easy to fold. Disadvantages: water imbibition is strong, easy to yellowing, easy to fracture, elongation rate, water resistant, perishable, permeability is poor.