Penmethyldiethylenetriamine PC-5: “Economic Star” in the Catalyst Industry In the chemical industry, catalysts are like a secret behind-the-scenes director. Although they do not directly participate in the performance, they can cleverly guide the chemical reaction to success. Among these many catalysts, pentamethyldiethylenetriamine PC-5 (PC-5 for short) stands out for its excellent performance and economy, becoming...