Companies throughout the printing ink supply chain have faced difficult circumstances during the past 12 months, as prices of key raw materials are volatile, and supply is uncertain. However, there has also been some good news, as the ink industry has enjoyed a slight recovery. “Like many raw material suppliers, the wax and additives industry faced many challenges in 2010,” said Ron Levitt, regional sales leader, North America for Shamrock Technologies. “Raw material prices have increased acros...