BROOM CORN INDUSTRIAL HOUSE. Blended Corn Broom works on light and medium sweeps. It comes with a corn/yucca mix and 4 sewn threads. It's a heavy-duty warehouse sweeper with strong synthetic seams and metal retaining straps. This broom offers excellent durability. The high bristle count extends its life and makes it easier to use. It has 20 percent corn fiber and 80 percent rattan bristles.