 HOUSTON--BUSINESS WIRE--- OEC chemicals--Orion Engineered Carbons S.A. NYSE: OEC, a leading global supplier of specialty and high-performance carbon black, announced it will raise pricing for its specialty carbon black products. The price increase is necessary due to continuous higher demand for its specialty products, as well as sharply rising global raw material and supply chain costs. Against this backdrop, Orion Engineered Carbons will increase specialty carbon black prices by up to 20 percent globally, 