 BUFFALO, N.Y., Sept. 16, 2021 PRNewswire -- ASP Unifrax Holdings, Inc. Unifrax announced that it has priced an offering the Offering of 800,000,000 aggregate principal amount of its 5.250 Senior Secured Notes due 2028 the Secured Notes and 400,000,000 aggregate principal amount of its 7.500 Senior Notes due 2029 the Unsecured Notes and, together with the Secured Notes, the Notes in a private placement transaction, exempt from the registration requirements of the Securities Act of 1933, as amended the Securities Act. 