What is Kaolin?


Kaolin is derived from the mineral Kaolinite which comes from the Earth's crust. It is an aluminum silicate represented as Al2O3-2SiO2-2H2O. Kaolin was first found in China. The name comes from two Chinese characters that mean "high hill" (Kao-Ling).


  • Kaolin was formed in the Earth's crust by hydrothermal weathering of feldspar 80 to 100 million years ago.
  • BASF has high quality secondary kaolin reserves in Middle Georgia that contain high proportions of kaolin and have inherent qualities important for our end applications.
  • Our reserves are carefully managed to optimally utilize our crudes and manufacture the highest quality finished products.
  • The chemical make up of kaolin can be seen in the image below.


BASF Kaolin molecular structure


BASF Kaolin plant

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BASF Kaolin's MetaMax provides concrete with strength, durability and resitance to chemical attack.

American Institute of Architecture (AIA) CEU Course

On-Demand Course: Improving Concrete Durability and Aesthetics with High Reactivity Metakaolin (HRM)

Sponsored by BASF Kaolin


Credit: 1 AIA LU


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