Water Barrier Coatings

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

Application Areas

End application area of our water barrier coatings include:

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


It is possible to attain 30” COBB test results of less than 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 hot melt 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 info, contact formulations@imerys.com

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