Non-increment press: A flexographic push able to printing infinite variable repeats, not dependent on common gear pitch increments.
Dry Reduce: A paper defect consisting of a long Slice while in the paper. This is the calendar Reduce taking place without wrinkling.
Developer: In photography, the chemical agent and system accustomed to render photographic photos obvious soon after publicity to mild. In lithographic platemaking, the material employed to remove the unexposed coating.
Etch: In photoengraving, to make a picture on a plate by chemical or electrolytic motion. In offset lithography, an acidified gum solution used to desensitize the non-printing regions of the plate; also, an acid Alternative added to the fountain h2o that can help retain non-printing parts of the plate free from ink.
Fastness: Time period used to denote The soundness or resistance of inventory or colorants to influences such as gentle, alkali, and so forth.
Angle of wipe: In gravure and flexographic printing, the angle the health care provider blade is about within the centerline of cylinder, just before loading.
Overlay: In artwork, a transparent covering above the duplicate where colour break, Directions or corrections are marked. Also, clear or translucent prints which, when position one particular on the opposite, sort a composite image. Alt: The clear include sheet on artwork generally utilized for instructions.
Contact print: A photographic print made out of a damaging or positive in contact with sensitized paper, film or printing plate.
Slash-back again: The whole process of lowering the size of an image so which the printed space produced by this type of Slice-back might be coated by an overprinting spot.
Bare cylinder diameter: The diameter of the particular plate cylinder, ahead of the stickyback and plates are mounted.
Plastisol: A suspension of particles within an natural liquid, just like an organosol, but made up of no solvents.
Alkali resistance: Home of an ink, coating or substrate to ensure it resists film breakdown, my dog licked paint coloration change or color bleed when printed content is subjected to Speak to with alkaline dog pain in tail components for example cleaning soap or detergent.
Working side: That side of the flexographic press on which the printing device changes can be found; opposite of driving side or equipment side.
Make contact with angle: True wiping angle of medical doctor blade on cylinder. Resultant of forces at work in The actual application.