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FLEXO Magazine : October 2012
Plate Cleaning Solution for Water-Based Inks By Randy Reynolds When a good photopolymer plate cleaning solution is needed to clean a plate of dried water-based inks while on press, the following steps are recommended. These steps can also be used after a pressrun to clean a plate before it is stored for future usage. This solution can be mixed in-house and used where needed. The formula for this solution is composed of three ingredients: • Isopropyl alcohol that will liquify the dried ink very quickly • Cleaning ammonia that puts the ink back into solution • Water which acts as the flushing vehicle for the cleanup Rags can be used to blot up the ink being cleaned off. DO NOT RUB THE PLATE, IT MAY CAUSE PLATE DAMAGE. Once the plate area has been cleaned it can be reused. If the plate is being cleaned for storage, it should be rinsed with water, then dried before storage. CLEANING SOLUTION Isopropyl Alcohol (70 percent solution): 1 part Example: 1 oz. Industrial Ammonia Solution: 2 parts Example: 2 oz. Water (Clean): 7 parts Example: 7 oz. Total 10 parts 10 oz. This solution can then be put into a hand spray bottle and used to clean dirty dried-up ink on a printing plate surface. Safety first: Protective gloves and safety glasses should be worn during all plate cleaning activities. About the Author: Randy Reynolds is business manager for AVantageTM liquid photopolymers manufactured by Anderson & Vreeland, Inc. Reynolds is respon- sible for all external sales and support for AVantageTM liquid photopolymers, including corrugated, multi-wall bag and stamp resins. He is a seasoned veteran in the flexo industry with 16 years of sales and management experience. Exclusive to FLEXO flexo Approximately 30% faster processing Ideal with UV, solvent and water-based inks Excellent ink transfer Prints up to 200 lpi when processed with Stork engravers letterpress Approximately 30% faster processing Ideal with UV and oil-based inks Excellent ink transfer Prints up to 250 lpi when processed with Stork engravers Toll-Free: 866.282.7697 • Toll-Free Fax: 800.223.6869 • www.AndVre.com • info@AndVre.com AVCE direct engraving material is specifically designed for state-of-the-art laser engraving systems, like those manufactured by Stork Prints. Processing plates and sleeves digitally eliminate the need for film processing, exposing, traditional solvent wash and long drying times. Added benefits include better quality reproduction over longer runs, simple changeover, reduced errors, fast turnaround, more economical and more environmentally- friendly plate production. AVCE is a true polymer material so pre- exposure (required with photopolymer) is not required. This amazing new material is immediately ready for engraving. AVCE lets you control the engraving parameters that affect dot shape and support, producing precise results which can be changed to match print- ing requirements. The Benefits of Direct Laser Engraving are Extraordinary Direct Engraving Material Stork DLE 6510 Direct Laser Engraving System Stork direct laser engrav- ing systems offer label printers an extraordinary array of benefits. Digitally engrave flexo, dry offset and letterpress plates and sleeves in a single system. Stork direct laser engraving systems provide the finest plate quality imaginable. Added benefits include simple changeover, reduced errors, fast turnaround, more economical and more environmentally- friendly plate production. The Finest Plate Quality Imaginable ® Direct Engraving TechTip#3 Digital Imaging 3rd Annual Plate/Platemaking/ Sleeve Selection Guide OctOber2012 Laser-Engraved Sleeves Calendar Technology SID & Polymeric Films