Welcome to Imerys Performance Minerals

Printing & writing paper

PRINTING AND WRITING PAPER Enhancing the quality and machine runnability of printing and writing paper

Imerys offers the widest portfolio of minerals available to paper producers, including coating and filler solutions for all printing and writing grades.  Recognizing the technical and commercial needs of printing and writing paper (P&W) producers, we offer a wide-range of solutions to optimize the manufacturing process and improve the final paper product.

Imerys offers a unique and comprehensive portfolio of hydrous and calcined kaolin clay, calcium carbonates and diatomaceous earth (DE) minerals as well as FiberLean®, EcoBright and Formulations Services, enabling global customer base is able to receive advanced multi-pigment solutions such as filler additives, coating pigments or processing aids

We offer a wide range of products throughout the world, differing in shape factor, particle size distribution and brightness to suit all paper application needs.

Products for coated mechanical and coated woodfree grades

Our products for coated mechanical (coated groundwood) and coated woodfree (coated freesheet) grades for publication paper, LWC and MWC improve:

  • Printability
  • Smoothness
  • Porosity
  • Pore size and distribution
  • Optical & physical coverage
  • Coating strength

Products for uncoated mechanical, supercalendered and uncoated woodfree grades

Our products for uncoated mechanical (uncoated groundwood), supercalendered and uncoated woodfree (uncoated freesheet) grades for SC, offset and office paper improve:

  • Productivity
  • Fiber extension
  • Brightness
  • Opacity
  • Surface properties


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