CUYAHOGA FALLS, OH – Emerald Performance Materials LLC, Cuyahoga Falls, OH, has completed the sale of the company to an affiliate of private equity firm American Securities LLC. Emerald has been an affiliated portfolio company of Sun Capital Partners since 2006. The specialty chemical manufacturer’s portfolio includes benzoic acid and derivatives such as fragrance ingredients and plasticizers, specialty resins, reactive liquid polymers and modifiers, antioxidants, accelerators, colorants, foam-control products, and other additives. Terms of the private transaction were not disclosed.

Emerald was formed in 2006 from the divesture of six specialty chemical businesses from Lubrizol and has since made four additional acquisitions in complementary businesses.

Based in New York with an office in Shanghai, American Securities is a U.S. private equity firm that invests in North American companies with annual revenues generally ranging from $500 million to $2 billion. American Securities and its affiliates have approximately $10 billion under management.