introduction polyurethane (pu) is an important polymer material and is widely used in many fields such as construction, automobiles, home appliances, furniture and sports goods. its excellent mechani ...

introduction polyurethane (pu) is a high-performance material widely used in multiple fields. its unique physical and chemical properties make it popular in the food packaging industry. as consumers ...

introduction polyurethane (pu) is a polymer material widely used in various fields. its excellent physical and chemical properties make it irreplaceable in the fields of construction, automobile, home ...

introduction polyurethane (pu) is a polymer material widely used in all walks of life, and is highly favored for its excellent mechanical properties, chemical resistance, wear resistance and processab ...