Patinal® Substance M2 by Merck KGaA, Darmstadt Germany is a medium refractive index evaporation material. Its refractive index fills a gap not available from non-mixture materials. It provides additional freedom for the design of... view more

Patinal® Substance M3 by Merck KGaA, Darmstadt Germany is a medium refractive index evaporation material covering a wide spectral range from UV to IR. It provides additional freedom for the design of high-performance optical... view more