About
About
Dicalite Management Group is an international industrial minerals company with a unique multi-mineral platform including perlite, vermiculite, and diatomaceous earth.
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Markets
Markets & Applications
Dicalite Management Group is a vertically-integrated supplier of processed minerals that are used in wide variety of applications and markets to enhance performance in construction materials, horticulture and soil mixes, food and beverage filtration, water treatment and much more.
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Products
Products
Dicalite Management Group offers a variety of mineral products that are used in multiple markets and applications under our 3 brand names: Dicalite, Dicaperl, and Specialty Vermiculite.
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How to Buy
How to Buy
Buy directly from our sales and technical services team, or buy from authorized distributors worldwide. We’ll work with you to find the right product for your application.
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Resources
Resources
Learn more about our products in our safety and technical data sheets, OMRI products, resources, and statements and technical bulletins.
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George Dethlefsen

President & CEO

West Conshohocken, PA

George joined Dicalite as President & CEO in 2019. Prior to Dicalite, George had most recently served as CEO to a publicly traded metallurgical coal company. He holds a B.A. in Economics and Managerial Studies from Rice University, as well as an MBA from Texas McCombs School of Business.