Technical datasheet

Multifex-MM® Uncoated

Supplied bySpecialty Minerals- Last Updated on Apr 1, 2026

Multifex-MM® Uncoated by {supplier] is an ultrafine precipitated calcium carbonate. Is a 0.07 micron uncoated calcite particle, rhombohedral in shape. The extremely small particle size results in high surface are, but only moderate oil absorption. Builds true thixotropic rheology in filled systems, and contributes to polymer reinforcement. Also used as nucleating agent in emulsion polymerization. Multifex-MM® Uncoated is used in rubber reinforcement and natural rubber detackification in thin film products.
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Multifex-MM® Uncoated properties

Other properties

PropertiesValue & unitTest conditionTest method
Density, Bulk0.0 Visible After LoginVisible After LoginVisible After Login
Density, Tapped0.0 Visible After LoginVisible After LoginVisible After Login
Moisture loss at 200°C0.0 Visible After LoginVisible After LoginVisible After Login
Oil Absorption Number (OAN)0.0 Visible After LoginVisible After LoginVisible After Login
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Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
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