Markem Corporation, Keene, NH, a provider of identification systems, software, supplies and services for product coding and marking, has added a new ink to its Touch Dry family.      The addition of the 5005 ink, available in black, allows coders to print much faster than previously possible while still printing a high quality code. Other advantages include superior darkness even at low-density settings, very good smudge and abrasion resistance as well as package-to-package offset resistance. ...