Faced with continued increases in the costs of raw materials and volatility in the global supply chain, Sun Chemical Performance Pigments will raise global prices on quinacridone and perylene high performance pigments by up to 10 percent and Violet 23 pigments by $4.50 per pound, effective May 1, 2011. “For over two years, the cost of raw materials and supply instability has significantly impacted the pigment industry and there is no short-term relief in sight for these rising costs – forcing...