UK-based Akcros Chemicals has been acquired by Valtris Specialty Chemicals, a manufacturer of polymer additives and chemical intermediates headquartered in Independence, OH, USA. The financial details of the transaction have not been disclosed. Formed from the carve-out of the North American polymer additives business of Ferro Corp [ADPO, February 2015 & August 2014], Valtris is a portfolio company of global private equity investment firm H.I.G. Capital (HIG). It operates five manufacturing sites within the USA and one each in Mexico and the UK.