introduction polyurethane (pu) is an important polymer material, due to its excellent physical properties and chemical stability, it has been widely used in the field of building insulation. with the ...

introduction polyurethane (pu) is an important polymer material, and has been widely used in many industrial fields due to its excellent mechanical properties, chemical resistance, wear resistance and ...

introduction polyurethane (pu) is a high-performance material widely used in industrial and consumer goods fields, and is highly favored for its excellent mechanical properties, chemical resistance an ...

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 ...