Honeywell has appointed Terrence Hahn as vice president and general manager for its Fluorine Products business. He will report directly to Nance Dicciani, president and CEO, Specialty Materials. Honeywell’s Fluorine Products business manufactures and supplies non-ozone-depleting refrigerants used by air conditioning and refrigeration makers, and blowing agents for energy-efficient foam insulation, as well as hydrofluoric acid and precursors for nuclear fuel.

Prior to joining Honeywell, Hahn spent nearly 20 years with Air Products and Chemicals Inc., most recently as senior director for the company’s global Electronic Specialty Materials business, where he was responsible for overall performance. In this position, he transformed the business and moved its headquarters to Asia while significantly increasing sales in the region. Hahn built a team that served customers worldwide and was commercially accountable for the technology, supply chain, procurement, engineering, finance, and quality functions. He was based in Taipei, Taiwan. Hahn holds a bachelor’s and master’s degree in materials science from Lehigh University, and an MBA from the Wharton School at the University of Pennsylvania.