For purchasing executives at ink companies, raw materials have been a challenge in recent years. Costs have skyrocketed for many key ingredients, while availability has been erratic. The good news is that there seems to have been some stabilizing in terms of cost and supply for many of these key raw materials, albeit at a higher price than previous years. Ed Pruitt, chief procurement officer, Sun Chemical, said that 2013 has been a year of improved stability for raw materials. “We have experie...