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Unimin Corporation was founded in 1970 and is one of North America’s largest non-metallic industrial mineral producers. Unimin bases its Canadian operations in Peterborough.
Unimin – Blue Mountain Aerial Survey Unimin – plant
Unimin Canada Ltd. operates two facilities in Peterborough County, Ontario (Nephton and Blue Mountain Plants) that produce high-quality Nepheline—the preferred source material for glass manufacturing. It’s also used in the production of ceramics, porcelain, hygiene products, abrasives, plastics and filters, paint and insulation.

