Welcome to Imerys Performance Minerals

Functional Fillers


Imerys minerals from our Multi-Mineral portfolio make excellent functional fillers in paper and board applications.

Imerys filler loading options for this application include precipitated calcium carbonate (PCC), ground calcium carbonate (GCC), kaolin (both hydrous and calcined clay), talc and our FiberLean® (MFC/mineral composite).

Our mineral fillers:

  • Allow high filler loading
  • Are cost-effective fiber extenders
  • Boost paper optics with improved opacity and brightness
  • Improve surface properties and reduces ink demand
  • Provide faster dewatering
  • Reduce drying time
  • Impart good mechanical properties to the paper
  • Improve paper smoothness
  • Improve coating hold out


We offer a full range of bespoke formulation and technical and process support services to help you match the right mineral grade to your application requirement.

Please contact us. We will be only too happy to help

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Paper & Board