... So , it can present the corrosive substance of the printing ink to plug into the roller base effectively .5 ... Carborundum Grinding → Carborundum Polishing→Laser Engraving → Polishing and CleaningApplication1. Flexographic Printing, Lithography Printing , Gravure Printing2 .Flexible Packing3. Label , Envelope , Paper Forms ... , Glazing6.Wallpapers , Wooden-patterned Paper , etc . one color flexo printing