Although commonly referred to as Styrofoam, that brand of polystyrene foam isn't used in food packaging, according to its manufacturer, Dow Chemical Co.

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Much of that was funneled into the protective-packaging segment, which includes Bubble Wrap, Jiffy mailers, Instapak foam cushioning and Fill-Air inflatable packs.

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Then the product was trucked about 200 miles to central Wisconsin, where another contractor bundled adhesive foam with plastic hooks and put the product into blister packaging.

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