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Witco leaves lasting impression on containers

Chemical producer shifts to thermal-transfer-printed labels for drums often stored outside. Copy required by regulations is legible longer. Computer software makes labels much easier to create, too.

Drums of Witco?s products are often stored outside (left),where labels are exposed to weather elements and the bleaching effe
Drums of Witco?s products are often stored outside (left),where labels are exposed to weather elements and the bleaching effe

At Witco's Brooklyn, NY, plant, most products require a pressure-sensitive label that displays a wide variety of cautionary information to conform to a variety of regulations.

"If a container is unlabeled, or if the label is no longer legible, there are several state and federal laws that would come into effect," cautions Ken Blair, Witco's manager of regulatory affairs. "If the label is on a container stored at Witco, it would be our problem. But if our customers have the poorly identified product, they would be in violation of law."

The answer for Witco was a new label printing process from Avery Dennison Printer Systems (Philadelphia, PA). Witco switched from a dot-matrix impact printing system to a DataMax (Orlando, FL) wide-web thermal-transfer printer, driven by Avery Dennison Tag & Label software. Not only does the new label printing last longer, but Witco also enjoys many other benefits. The new printer virtually eliminates label waste that was a problem with its previous printer. That's especially costly when even the smallest drum labels measure 8" x 10". But the software program is easier to use, and the printer is so quiet, it's now used inside the office. The previous printer was so noisy it had to be operated in the plant.

Some labels require cautions

The plant, part of Witco's Polymers Chemical Group, ships 2.5 million lb of additives each month to plastics processors in the U.S., Canada and Mexico. These additives are packed in several sizes of containers, from 5 gal to over 200 gal, including fiber and steel drums. About 5ꯠ containers are shipped each month, and each requires a label that contains critical product identification.

Containers for the U.S. and Canada employ a single label, although the Canadian version does require copy in both English and French. Drums bound for Mexico have two labels, one in English, one in Spanish. All labels are purchased from Avery Dennison in rolls that are preprinted flexo in four colors with the Witco logo and other fixed information.

In-house, these roll labels feed the new printer, which adds all the variable information, including lot and container number, a series of cautionary messages, a Chemical Abstract Service (CAS) number and entries for a preprinted Workplace Hazardous Materials Identification System (WHMIS) pictogram.

The CAS number references the product composition and is required for Witco and customers in several eastern states, including PA, NJ and MA. The pictogram, along with appropriate numerical codes, is required by the U.S. Occupational Safety & Health Administration. Pre-applying the pictogram saves customers from having to add them upon receiving the container.

"From a reliability and safety viewpoint, you need this information," says Jay Rogers, Witco technical manager. "If there's ever a problem like leakage, you want people to know how to handle it. So the information is important for people at Witco, for people transporting the containers, and it's important to customers."

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