introduction polyurethane (pu) is a multifunctional polymer material and is widely used in the production of automotive interior parts. its excellent physical properties, chemical stability and proce ...

introduction polyurethane (pu) is a high-performance polymer material and is widely used in many fields such as construction, automobile, home appliances, and furniture. its excellent physical proper ...

introduction polyurethane (pu) is a polymer material produced by the reaction of isocyanate and polyol. due to its excellent physical and chemical properties, it has been widely used in many industrie ...

introduction polyurethane (pu) is a high-performance material widely used in various fields. its excellent physical and chemical properties make it important in the construction, automobile, home appl ...