Unimin Corp.
258 Elm St.
New Canaan, CT 06840

800-243-9004 (U.S. and Canada)
203-442-2500 (World)
Fax:  800-243-9005 (U.S. and Canada)
203-972-1378 (World)


Mike Pigage, General Sales Manager, Metals & Casting Group

Mark Ziegler, Director, Foundry Technical Sales

Chris Karr, General Manager, Marketing, Industrial Applications


Unimin Corporation is a technology-driven company drawing from a diversified product portfolio and worldwide production capabilities. The company is North America’s largest producer of silica sand, nepheline syenite and high purity quartz, and a major supplier of feldspar, ball clay, kaolin, calcium carbonate, quicklime and hydrate. Unimin operates 44 mining and mineral processing facilities in the United States, Canada and Mexico.

Unimin offers North America’s most extensive portfolio of high purity core and molding sands. INCAST® core and molding grades range from GFN 25 for lost foam backing to GFN 125 for non-ferrous molding. These engineered foundry sands are characterized by their low total surface area and uniform PSD, providing the ideal physical properties to maximize tensile strength while reducing resin, catalyst and additive consumption.With technology and analytical service centers located throughout North America, Unimin operates one of the largest industrial minerals research organizations in the world. Committed to both basic and applied research, these technology centers support research and service initiatives that deliver value to our customers.

Technical service is provided by application-focused customer teams. Their training is industry specific; with emphasis on the function and performance of our foundry sands in resin bonded core and molding processes, green sand and lost foam backing. With hands-on experience these teams facilitate the technical exchange that can help our customers improve productivity and yield, minimize emissions and waste, and create a sustainable competitive advantage.
Unimin is certified a sustainable company by the Global Reporting Initiative (GRI), the world’s most widely recognized reporting framework. The Company is certified in the four major areas of sustainability; Economic, Environmental, Social and Governance. Unimin has been twice recognized for its exemplary safety and health record with the Sentinels of Safety award by MSHA and NMA, and is acknowledged for its outstanding environmental stewardship and community volunteerism.
The complete report, “Value Beyond Mining”, can be found at: www.uniminsustainability.com


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