Mo-Sci Corporation (Mo-Sci)

Mo-Sci is a leading supplier to the medical device industry with glass microspheres, fibers, and powders. It also provides sealing glass and test services for the aerospace, automotive, and electronics industries.

Mo-Sci is a world leader in high quality precision glass technology working with many fortune 500 companies as their priority or sole provider of specialty glasses. Mo-Sci’s glass microspheres, fibers and frit have many uses including (internationally recognized) healthcare applications. Engineers at Mo-Sci are recognized world-wide for revolutionary research, development, and manufacturing of glass for specialty applications. Companies seek out Mo-Sci with seemingly improbable ideas to research and develop into an application that the company then takes to market. 

Mo-Sci is headquartered in Rolla, Missouri (USA), home to Missouri University of Science and Technology (Missouri S&T), where the idea of Mo-Sci originated in 1985 with company founder, Dr. Delbert Day, Curators Professor Emeritus in Materials Science and Engineering, at Missouri S&T. Mo‑Sci was acquired in 2021 and is now part of the Heraeus Group. 

“Across every treatment area, medical technology is changing rapidly. The acquisition of Mo-Sci and ETS gives us new capabilities to help our customers deliver innovative technologies and breakthrough treatments that will improve outcomes and patient care.”

- Dr. Nicolas Guggenheim, President Heraeus Medical Technologies Business Area –


Dr. Nicolas GuggenheimPresident Heraeus Medical Technologies Business Area
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Dr. Nicolas Guggenheim, President Heraeus Medical Technologies Business Area