| http://www.w3.org/ns/prov#value | - According to Sun, this ink represents a real advance for retort, a growing segment of the flexible packaging market that has been printed primarily with gravure to this point. ???In retort packaging, the food or other product is cooked at temperatures up to 250?? in a laminated pouch that also serves as its package,??? said Brian Chwierut, flexible packaging product manager, Sun Chemical North Ame
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