Technical datasheet

Finntalc M20SL

Supplied byMondo Minerals- Last Updated on Jan 27, 2026

Finntalc M20SL by Mondo Minerals is a high-brightness, medium-sized, lamellar, floated talc based on hydrated magnesium silicate with low soluble iron content. It is used as a functional extender.
  • It is pure, very hydrophobic, inert and soft grade that offers high & stable whiteness.
  • It effectively addresses challenges related to dimensional stability, reproducibility, consistent quality, flow behavior, and enhances injection molding, extrusion, compounding processes, and others.
  • It is recommended for various applications, including recycled plastics, household appliances, automotive cabin, under the hood, light-duty equipment, pipes, powdering, HVAC, packaging, profiles, sheets and furniture.
  • It is suitable for polymers like polyethylene (PE), polypropylene (PP), polystyrene (PS), TPO, TPE, polyesters, and other engineered plastics.
  • Finntalc M20SL has a shelf life of 5 years.
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Finntalc M20SL properties

Other properties

PropertiesValue & unitTest conditionTest method
Abrasion0.0 Visible After LoginVisible After LoginVisible After Login
Aluminium Oxide Content0.0 Visible After LoginVisible After LoginVisible After Login
Brightness0.0 Visible After LoginVisible After LoginVisible After Login
Calcium Oxide Content0.0 Visible After LoginVisible After LoginVisible After Login
Color L* (CIE standard)0.0 Visible After LoginVisible After LoginVisible After Login
Color a* (CIE standard)0.0 Visible After LoginVisible After LoginVisible After Login
Color b* (CIE standard)0.0 Visible After LoginVisible After LoginVisible After Login
Decomposition Temperature0.0 Visible After LoginVisible After LoginVisible After Login
Density, Bulk0.0 Visible After LoginVisible After LoginVisible After Login
Density, Tapped0.0 Visible After LoginVisible After LoginVisible After Login
Fineness of Grind0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Mohs scale0.0 Visible After LoginVisible After LoginVisible After Login
Iron Oxide Content0.0 Visible After LoginVisible After LoginVisible After Login
Loss on Ignition0.0 Visible After LoginVisible After LoginVisible After Login
Magnesium Oxide Content0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login
Moisture Content0.0 Visible After LoginVisible After LoginVisible After Login
Oil Absorption Number (OAN)0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution, D980.0 Visible After LoginVisible After LoginVisible After Login
Particle Size Distribution, Median0.0 Visible After LoginVisible After LoginVisible After Login
Refractive Index0.0 Visible After LoginVisible After LoginVisible After Login
Silicon Dioxide Content0.0 Visible After LoginVisible After LoginVisible After Login
Surface Area, BET0.0 Visible After LoginVisible After LoginVisible After Login
Talc Content0.0 Visible After LoginVisible After LoginVisible After Login
Whiteness0.0 Visible After LoginVisible After LoginVisible After Login
Yellowness Index0.0 Visible After LoginVisible After LoginVisible After Login
pH0.0 Visible After LoginVisible After LoginVisible After Login

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