Epoxy accelerator DBU: “Beautician” for building exterior wall decoration In the field of architectural exterior wall decoration, epoxy promoter DBU (1,8-diazabicyclo[5.4.0]undec-7-ene) is like an unknown but talented “beautician”. It not only allows exterior paint to have longer-lasting weather resistance, but also allows buildings to maintain long-term aesthetics. This article will deeply explore the key role...