Polyurethane Catalyst DBU: Invisible Guardian of Automobile Paint In the vast starry sky of the automobile industry, the polyurethane catalyst DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) is like a shining star, bringing unprecedented protection and luster to the automotive paint surface with its unique chemical charm. As a high-performance catalyst, DBU not only occupies an important position in the...