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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 & Vegetable

Frozen food




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 hot melt and cold set adhesives

Can combine properties of release & grease barrier as required

FDA/BfR compliant for food contact


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 This email address is being protected from spambots. You need JavaScript enabled to view it.

Product Spotlight:




A high brightness calcined kaolin for direct thermal and thermal transfer paper coatings
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