Grey Mountain Partners announced the sale of Robbins Holdings, including Robbins LLC to HEXPOLAB. Grey Mountain has owned the company since 2007.

Robbins LLC is a total polymer solutions provider that produces custom mixed rubber compounds and molded products for a diverse set of end markets and has three production facilities in the U.S.

HEXPOL is a polymers group with global positions in advanced rubber compounds, gaskets for plate heat exchangers and wheels made of plastic and rubber materials for truck and castor wheel applications.

Grey Mountain Partners is a private equity firm that focuses on partnering with management to create lasting value through operational improvements. The company invests at the small end of the middle market in companies across a wide range of industries and currently invests from its second fund, Grey Mountain Partners Fund II.