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FLEXO Magazine : July 2013
AVantage Resin Reclaim Guide By Randy Reynolds The ability to reclaim and reuse the liquid photopolymer resin differentiates the product from sheet plates. In many cases, it creates a very attractive financial advantage for the customer. Equipment and procedures for the collection and handling of the liquid photopolymer reclaim resin may vary from one place to another. With careful handling, resin reclaim can produce high-quality printing plates with some basic guidelines being observed. Collection: Photopolymer resin must be protected from UV light. Thus, all collection containers should be opaque and the room illuminated with yellow or UV filtered lights. Filtration: Reclaimed liquid resin needs to be filtered to remove any gels, solid pieces of resin or foreign matter. The filter should be in a position that is easy to access. It could be either in-line or at the mouth of the collection container. Filtering with cheesecloth, aluminum, or stainless steel using 100-200 mesh is recommended. The filter should be cleaned once a week. Overflow resin can be collected from the overflow tray too. It must also be screened and then can be mixed with the reclaim resin. Mixing: If the reclaim is being used straight to a bucket system, the resin needs to be aerated before use and mixed with virgin resin. The tank mixture is easy to complete. The reclaim resin can be mixed 3:1 (3 virgin resin to 1 reclaim) and then blended in the tank. Always add resin at the end of the day, pouring reclaim in first followed by equal amounts of virgin resin. Let the system’s mixer or blender run all night to thoroughly blend the resin to ensure it’s homogeneous. It should be a routine practice to add reclaim resin and virgin resin daily to avoid build-up of large volumes of reclaim resin. Safety: Use proper Personal Protective Equipment (PPE), gloves, and safety glasses when handling the liquid resin from the reclaimer to the storage tank. About the Author: Randy Reynolds is business manager for AVantageTM liquid photopolymers manufactured by Anderson & Vreeland, Inc. Reynolds is responsible 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 TechTip#12 Big Data/Big Solutions | Imagery & Integrity | Pre-Media Service Providers Soaring Growth for Flexographic Print JULY2013