EMD Performance Materials Corp.

EMD Performance Materials is the North America high-tech materials business of Merck KGaA, Darmstadt, Germany.

EMD's Patinal® range offers the time-tested and highest quality of evaporation materials for optical thin-film deposition at very competitive prices. The Patinal product range comprises more than 40 evaporation materials including fluorides, oxides, sulfides, and metals as well as special mixtures. The Optipur® range offers a number of high-purity materials for the production of single and monocrystals for applications in UV optics, high-resolution medical imaging and radiation detection applications.