American Securities Capital Partners (New York, N.Y.; completed the sale of ASP Unifrax Inc., along with its operating company subsidiary, Unifrax Corp., to AEA Investors, an international private equity firm. Terms of the transaction were not disclosed. Unifrax, which is headquartered in Niagara Falls, N.Y. ( had estimated sales of $220 million in 2005 and operates 13 facilities located in the U.S., Europe, Latin America, and Asia. American Securities has owned the company since September 2003.