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"Southeastern Performance Minerals, LLC operates a state-of-the art muscovite mica facility that is based on our patents that cover the separation of mica from the sedimentary deposits of clay, sand, and mica that were deposited in our ancient Coastal Plain area millions of years ago. Our patents also cover the grinding of muscovite mica into a variety of high purity, high aspect ratio, low bulk density, mica products for numerous markets such as paint and other coatings, plastics, rubber, cosmetics, sealants, adhesives, and many other applications. Our unique processing and grinding technology, both dry and wet ground, were developed in-house and has several advantages over other mica grinding techniques.

Southeastern Performance Minerals, LLC also produces a full range of dry processed kaolin products in their sister plant Southeastern Primary Minerals located in Dearing, Georgia. This plant exploits primary kaolin similar to the deposits mined in England, France and Germany. The unique chemistry and particle morphology make these clays preferred for casting, ceramics, glaze and refractory applications."

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Southeastern Performance Minerals OPTIbrite is a wet processed muscovite mica with a platy shape, high aspect ratio, chemical inertness, and superior color.

Southeastern Performance Minerals Optibrite

Southeastern Performance Minerals PMica55 is a wet ground muscovite mica, processed specifically for industrial applications. Proprietary milling and processing induces a high degree of delamination and narrow particle size distribution, which translates to high aspect ration and increased resiliency.

Southeastern Performance Minerals PMica55

Southeastern Performance Minerals CALflake B20 is a coarse flake, calcined mica product consisting of a high aspect ratio muscovite mica. Calcination of the mica at 900oC open the mica's naturally platy structure to enhance heat deflection characteristics, sound dampening effects, and produces a product that is stable at temperatures up to 1000oC.

Southeastern Performance Minerals CalFlake B20

Southeastern Performance Minerals SG 90-165 is a wet ground muscovite mica with a platy shape, high aspect ratio, chemical inertness, and superior color. SG 90-165 is specifically processed to reduce oversized particles in the +150 mesh range and remove ultrafine particles, resulting in a very narrow particle size distribution.

Southeastern Performance Minerals SG 90-165

Southeastern Performance Minerals OPTIfine is a wet processed muscovite mica with a platy shape, high aspect ratio, chemical inertness, and superior color.

Southeastern Performance Minerals OPtifine

Southeastern Performance Minerals SMica30 is a wet ground muscovite mica, processed specifically for industrial applications. Proprietary milling induces a high degree of delamination, which translates into a high aspect ratio and increased resiliency.

Southeastern Performance Minerals SMica30

Southeastern Performance Minerals SMica50 is a wet ground muscovite mica, processed specifically for industrial applications. Proprietary milling induces a high degree of delamination, which translates into a high aspect ratio and increased resiliency.

Southeastern Performance Minerals SMIca50

Southeastern Performance Minerals CD3200 is a wet processed muscovite mica with a platy shape, high aspect ratio, chemical inertness, and superior color.

Southeastern Performance Minerals CD3200

Southeastern Performance Minerals SG 70 is a specialty ground muscovite mica with a platy shape, high aspect ratio, chemical inertness, and superior color.

Southeastern Performance Minerals SG 70

Southeastern Performance Minerals

"Southeastern Performance Minerals, LLC operates a state-of-the art muscovite mica facility that is based on our patents that cover the separation of mica from the sedimentary deposits of clay, sand, 

Southeastern Minerals - Muscovite Mica - Separation - Grinding

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Optibrite Technical Data Sheet - Southeastern Performance Minerals

Southeastern Minerals - Optibrite - Filler - Mica - Knowde

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	Value	Units	Test Method / Conditions
Sieve Analysis 100 Mesh (325 Mesh)	Trace (1 max.)	%	—
Bulk Density (Colgate)	8-12	—	—
Mean Particle Size	6.8	μm	—
Color, L* value	min.90	—	—
Moisture Loss (100°C)	max. 1.0	%	—
Specific Gravity	2.82	—	—
pH Value	6.0 - 7.5	—	—

Southeastern Performance Minerals Optibrite

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