Unifrax Corporation, Niagara Falls, NY, has entered into a definitive agreement to purchase the worldwide ceramic fiber business of Carborundum Insulation Technologies (CIT), an operating unit of Compagne de Saint-Gobain, a Paris-based manufacturer of glass and industrial products. The deal will re-unite Unifrax, the former North American Fibers Division of The Carborundum Company, with its former international sister ceramic fiber operations which were acquired by Saint Gobain as part of its purchase of the Carborundum Company from British Petroleum (BP) in 1996. In addition, the acquisition of CIT will include the French ceramic fiber operations of Saint-Gobain (formerly operated as Kerlane) which will position Unifrax/CIT in the French Market.