DLC has been around for over 60 years. It's not at all new in the least. It's really a family members of carbon components that include: ParyFree®, the latest and a singular member of your collection, replaces a number of hydrogen atoms with the Parylene N dimer with non-halogenated substituents. https://dlc-coatings13578.ampblogs.com/everything-about-dlc-coating-63721711