CTSP Episode 042 - Organic Zinc, Coating Selection Part 1.2 By: Paul Atzemis, Jack Walker | September 3, 2018 in Podcast, Coating Recommendation Jack Walker and Paul Atzemis discuss Organic Zinc. This is the follow up to Episodes 015 and 016 on Inorganic Zinc. This discussion is the second part in a series of the how and why in making coating selections.