Welcome to Imerys Performance Minerals

Water Barrier Coatings

Water Barrier Coatings

Imerys provides ready-to-use, water-based coating solutions that impart water barrier properties to paper and board based packaging.


  • Fruits & Vegetables
  • Frozen food
  • Meat
  • Poulty
  • Seafood
  • Soap boxes


It is possible to attain 30” COBB test results of less that 5 g/m² at 8 g/m² coatweight of Imerys water barrier formulation.
Our coatings allows for substitution of wax coatings with a recyclable water-based solution. They can be customized to meet specific performance requirements.


  • Glueable with both hotmelt and cold set adhesives
  • Can combine properties of release & grease barrier as required
  • FDA/BfR compliant for food contact
  • Repulpable
  • Heat sealable if required
  • Can be adapted for varied grades of fibre-based substrates – carton, corrugated or flexible paper
  • Can be applied using conventional coating techniques (Blade, rod, size press), or via flexo & rotogravure
  • Easy to handle & safe to apply

For more information, please contact formulations@imerys.com

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