GCM 854 Lecture Notes - Lecture 3: Offset Printing, List Of Recurring Futurama Characters, Flexography
31 Jan 2020
School
Department
Course
Professor
Document Summary
Offset - printing process that is based on repulsion of water and oil is planographic. The inked image is offset from a plate to a rubber blanket, then to the printing surface. Commonly used for large volume and quality production, but often requires near line or offline finishing. Wide range of printable products, from low cost heat set newsprint to high end limited edition books and publications. Inks may be oil-based, uv curable or led curable. Fountain solution: used in conventional offset to keep the non-image areas clean from ink. Packing: used to add more thickness, and have the right squeeze. Blanket: rubberized material used to offset from plate to substrate. Flexography - a modern (conventional) relief printing process, printing using a flexible plate and liquid pourable inks. Commonly used for web printing on a wide variety of substrates (films, foils, bags, napkins) or sheetfed corrugated. Often has in-line converting (die cutting, bag-making, envelope-making, cup-making, etc.
