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Clear codes on chemicals

General Chemical Canada has greatly improved the way it imprints lot numbers on 50- and 100-lb high-density polyethylene bags of calcium chloride it produces by installing new ink-jet coding equipment from Matthews Intl.

“The new ink-jet system is so much better than the old one because we rarely have to purge the print heads of coagulated inks” says Rick Lahoux superintendent of engineering at the Amhertsburg Ontario Canada firm. “In addition we can use quick-drying inks that are less prone to smudging.”

The bags of calcium chloride are sent not only to highway departments for melting snow and de-icing roads but also to food processing companies that use calcium chloride as a food ingredient. The S.C.I. F.I.™ 3200 ink-jet system is mounted on a conveyor and as bags pass the print head the sides of the bags are printed at speeds to 120’/min. A single push button activates the valve-purge cycle on the ink-jet system.

The improved marking clarity gained since the system was installed about a year ago has been well-received by General Chemical’s customer base says Lahoux. The clear 1”-tall characters he says are consistently easy to read. —PR

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