WA Hammond Drierite Co Ltd

Drierite is the brand name and registered trademark of a variety of desiccants made from anhydrous calcium sulfate (gypsum). Some varieties contain 3% cobalt(II) chloride, a moisture-sensitive color indicator that shows when that material's activity has been depleted. Drierite is manufactured in the USA by the W.A. Hammond Drierite Co., Ltd., founded by William Archie Hammond and headquartered in Xenia, Ohio.

138 Dayton Ave Xenia, OH 45385
Tel: 937-376-2927