Parylene D, the 3rd member of the series, is developed within the same Uncooked product as Parylene N, modified through the substitution of chlorine atoms for 2 from the aromatic hydrogens. Parylene D is similar in properties to Parylene C Using the added capacity to withstand somewhat larger use temperatures. https://reidpgwky.answerblogs.com/27101890/dlc-coatings-options