Non-smudge bakery bag closures

Australia-based food manufacturer George Weston Foods (GWF) uses plastic tag closures from Kwik Lok to close its plastic film bread bags, but was experiencing some problems with ink smudging of date codes, price, and other product identification codes on the tags.

Pw 10683 Kwik Lok George West R

GWF asked Kwik Lok to work with Unimark, an agent of laser vendor Markem Corp., and color-changing technology expert Sherwood Technology to develop nonsmudging coding alternatives to thermal-transfer tag printing. In the first phase of the transition, Unimark supplied GWF with Markem CO2 laser coders to produce indelible codes that eliminate smudge problems. The second phase incorporated the gradual use of Sherwood’s DataLase Masterbatch color-changing/darkening additive technology to enhance date coding.

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