polyurethane foaming catalyst led-103: an effective method to improve the smoothness and aesthetics of polyurethane products
polyurethane foaming catalyst led-103: an effective method to improve the smoothness and aesthetics of polyurethane products introduction polyurethane (pu) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc. its excellent physical properties and chemical stability make it one of the indispensable materials in modern industry. however, the surface…
