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...