Even though they’ve only recently entered the spotlight, soy-based inks are not a new phenomenon. Inks made from vegetable oils were popular before the 1960s—primarily for newspapers—because of their environmental benefits. However, they were supplanted by cheaper and more cost-efficient petroleum-based inks, which proved costly to both workers’ health and the environment. But soy inks have made a comeback, being increasingly specified by environmentally conscious print buyers. In fact, as long ago as the late 1980s, soy inks for sheetfed presses began showing up on the market. But are they any good? What are the pros and cons of soy inks? Why Soy-based Inks? Petroleum-based solvents

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