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FLEXO Magazine : July 2007
w w w . f l e x o g r a p h y . o r g J U LY 2 0 0 7 F L E X O 3 9 bEginnEr flexographer sion and makes them more susceptible to ozone attack. If plates must be stored this way then they should be wrapped in black polyethylene. It’s recommended that plates be stored away from ozone sources such as power stations, press motor drives and any other source of electrical discharge. Do not stack finished plates directly on top of each other. Once plates come out of the press they should be cleaned and dried as soon as possible. Allowing inks to dry on plates will make them harder to clean and also contribute to plate cracking. Plates should be cleaned using soft bristle brushes and clean, lint-free shop towels. Never use metal wired brushes or contami- nated shop towels to clean plates. This will cause dot breakage and damage to the plate that will make it unusable the next time it needs to go to press. Consult your plate supplier for cleaning solution recommendations. These are just a few simple suggestions that if followed will greatly increase the longevity of analog, digital and thermal plates. Make these handling and storage suggestions a part of your everyday plate making and start ‘printing’ the difference. ? ABOUT THE AUTHOR: Harold Blair began working with WR Grace in 1993 as a chemical operator manufacturing liquid photopoly- mers. In 1994, WR Grace formed Polyfibron Technologies and shortly thereafter Blair gained responsibility for in-process quality control (QC) for liquid photopolymers. When Polyfibron merged with MacDermid Printing Solutions in 1999, Blair became a technical service represen- tative and innovation team member for MacDermid. Today he works closely with MacDermid’s Research and Development team during the developmental stages of a product and provides feedback about the image and handling characteristics of materials.
Golden Anniversary Commemorative Journal