HEXPOL, a polymers producer, completed the acquisition of Preferred Compounding, a rubber compounder for $232m from Audax Group, a US-based Private Equity firm. “This transaction immediately leverages our global supply chain and adds new capabilities, application knowhow and additional customer base to HEXPOL Compounding Americas as well as broadens and strengthens our presence”. Tracy Garrison, HEXPOL Compounding Americas President .