Penmethyldiethylenetriamine PC-5: Polyurethane catalyst in the aerospace field In the vast universe exploration and the rapid development of the aviation industry, there is a magical chemical substance – pentamethyldiethylenetriamine (PC-5), which is like a hero behind the scenes, playing a crucial role in the manufacturing process of polyurethane materials. PC-5 is a multifunctional tertiary amine...