1. What is polyurethane (PU)
polyurethane is the abbreviation of polyurethane, which is a polymer compound containing many repeated amino groups in the main chain of polymer. 1t is formed by chemical reaction of isocyanate and polyol compound
3. Why is polyurethane an ideal material for safety shoe soles
1, polyurethane soles are light, warm, oil resistant, flexural and wear resistant. They are more than 6 times wear-resistant than rubber. They can adjust their density and hardness in a wide range according to their requirements. They can be made into two color (double density) double sole, the bottom is a highly frothing working surface with micro foaming, and the inner bottom is a comfortable elastic foam. Br / >