Vehicles and varnishes play a major role in the formulation of printing inks. Ink vehicles provide needed chemical and physical properties for the ink, while varnishes offer key performance characteristics and help provide consistency for the finished inks. Much like its ink industry customers, vehicle and varnish manufacturers face numerous challenges. B. David Aynessazian, vice president sales and marketing for Kustom Group, said that while raw materials have stabilized somewhat, some U.S. ...