Deep Dive Into Zinc Dialkyl Dithiophosphate (ZDDP) with Expert David Holt | Episode 61 In this episode of Lubrication Experts, we explore the fascinating world of Zinc Dialkyl Dithiophosphate (ZDDP) with industry veteran David Holt. Recording for the first time in the new studio, our host delves into the history, applications, and complexities of ZDDP, a crucial molecule in engine oils and industrial lubricants. David Holt shares his vast experience, spanning over 30 years, to explain the origins of ZDDP, its chemical properties, and its role in preventing wear and corrosion. The discussion also touches on the distinctions between anti-wear and extreme pressure additives, the evolution of lubricant additives, and the potential future of ZDDP in the face of advancing technology. 00:00 Welcome to Lubrication Experts 00:33 Introducing Special Guest David Holt 01:17 Deep Dive into Zinc and ZDDP 02:57 Origins and Evolution of ZDDP 05:52 ZDDP in Modern Applications 07:51 Technical Insights on ZDDP 16:39 ZDDP in Hydraulic Systems 21:15 Anti-Wear vs. Extreme Pressure Additives 26:51 Future of ZDDP and Alternatives 39:09 Concluding Thoughts and Future Episodes