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May 27th, 2016

Unimin Corporation

Published on May 27th, 2016 | By: dhaignere

258 Elm Street
New Canaan, CT  06840
P: (203) 442-2320
F: (203) 972-1927




Unimin Corporation is an application-focused company drawing from a diversified product portfolio and the worldwide production capabilities of Sibelco, their privately held parent organization. Unimin is the world’s largest producer of low-iron nepheline syenite used in glass, ceramic, paint and plastics, and the largest producer of quartz proppants for oil and natural gas stimulation and recovery. They are also the world’s leading producer of high purity quartz, a highly specialized product used in the fabrication of integrated circuits, solar photovolaric cells and high intensity lighting.


Unimin processing plants are situated on the continent’s best mineral deposits; each a multi-million dollar investment in chemical consistency, product uniformity and reliable supply. Regional offices, technical centers and analytical laboratories are organized to support production and commercial activities, and serve as customer resource centers.

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