Parylene D, the 3rd member of your sequence, is generated from the same raw product as Parylene N, modified from the substitution of chlorine atoms for 2 from the aromatic hydrogens. Parylene D is similar in Homes to Parylene C with the extra ability to withstand slightly greater use temperatures. https://dlc-coatings96283.blog-kids.com/28136547/new-step-by-step-map-for-coating-dlc