COVIA

Mica, Feldspar, & Clays

Covia, headquartered in Independence, Ohio, is a North American supplier of high-purity silica sand, nepheline syenite, feldspar, and other industrial minerals serving the glass, ceramics, coatings, foundry, polymers, and construction industries. The company traces its roots to Unimin Corporation, founded in 1970, and operates as part of the Sibelco minerals group.

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MINEX ST OV100 7

hydrophobic surface-treated nepheline syenite filler

MINEX ST OV100 7 is a hydrophobic surface-treated micronized nepheline syenite filler that disperses readily in reactive solvent-borne and 100% solids systems, giving superior performance in polyurethane, polyaspartic, polyester, and silicone resins for industrial maintenance, flooring, powder, wood, aerospace, and automotive coatings. Median particle size is 4.0 microns with 86.5 TAPPI brightness and 27 oil absorption.

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Functional minerals that enhance mechanical strength, efficiency, thermal stability, and product value across multiple applications.

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