Versum Materials, Inc. is an American company that manufactures chemical-mechanical planarization slurries, ultra-thin dielectric and metal precursors of film, formulated cleans and etching products, and delivery equipment for the semiconductor industry.

On October 3, 2016, Air Products & Chemicals completed the corporate spin-off of the company.

[1] In 2017, the company acquired Dynaloy from Eastman Chemical Company for approximately $13 million to expand its Surface Prep and Cleans business.

[2] In October 2019, Merck Group acquired the company.

[3] This United States manufacturing company–related article is a stub.