Sign & Digital Graphics

November '19

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S I G N & D I G I T A L G R A P H I C S • November 2019 • 21 when PAT stood for printing air technol- ogy. At that time, the company focused its attention on air quality in print shops. "It originally started out as a means of ensuring high-quality output for the printer and the printer's customer," Baird says. It then evolved as the industry evolved. In the 1990s, that meant more focus on the health of the worker and the health of the business by extracting volatile organic compounds from the air, particularly in those businesses that used solvent-based inks. Many sign companies still use solvent and eco-solvent inks, but others have tran- sitioned to UV ink because it doesn't have as strong of an odor as other types of inks. "I strongly recommend any printer to review the MSDS (material safety data sheets) sheets, certainly the engineering or cautionary notes, to decide whether or not fume extraction or air purification Image courtesy of Fumex. 9-30-19-EPILOG-SDG-hfpg.pdf 1 9/30/2019 3:49:26 PM

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