Superior Materials, Inc.: tapped Bruce Schimmel as sales manager. As part of the management team, he brings to Superior his expertise in the handling of national accounts as well as management over expanded territories, according to the company. Schimmel, most recently business development manager with Hydrite Chemical, has had upper management positions with Alcan, Ultra Additives-Munzing and Eckart America. He is well versed in the sale of pigments, additives and resins to recipe manufactur...