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General Industrial


​Grace® Metakaolin


Grace's metakaolin is manufactured at the Grace site in Aiken, South Carolina, USA where the raw material, Kaolin clay is mined and subsequently thermally activated through a highly controlled calcination process. Grace's metakaolin manufacturing facility is ISO 9001:2008 certified.

Typical Applications

  • Zeolites
  • Ceramics
  • Refractories
  • Grouts and Mortars
  • Geopolymers
  • Supplemental Cementitious Material for cement
  • Concrete Admixtures


​​Physical FormFine Powder
​Chemical StructureAmorphous Aluminosilicate
​​Special ModificationsDehydroxylated (Calcined) Kaolin
Specific Gravity​2.6
Bulk Density, Tamped @ 20°C500 kg/m3
Average Particle Size5 μm
Surface Area22 m2/gm
Screen Residue, 325 mesh​10
​Oil Absorption​75
Moisture @ 105°C​0.5%

*Typical properties should not be used for specification purposes.

Flexible Packaging Options

  • 40 lb bags (repulpable bags available)
  • super sacks
  • bulk truck
  • bulk railcar