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Innovative functions on flexible substrates

Coating/lamination

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The coating is to apply a varnish or glue on a base material (plastic film, aluminum, paper…) to provide specific functions related to the end-use of the product.

The coating of glue (lamination) or the varnish (coating or printing) on the media, is carried out by rotogravure using a cylinder engraved hollow (called the weft), followed by a passage of the film in the drying tunnel to evaporate the solvents or water.

Technics: Gravure or 5 cylinders block
Deposit: 0.5 to 4 g/m²
Base material: Films 6-175 microns – Papers from 40 to 300 g/m² – Aluminum starting from 9 microns

What are the functions provided by the varnish?

REXOR is supported by an R&D expanded to develop a comprehensive range of features to its varnishes: color, printability, sealability, barrier to oxygen or water vapor, food contact, reflection, authentication…

REXOR

Lamination


The lamination is an operation which consists in laminating two materials with a method called dry phase.

Two solutions exist for the lamination in dry phase:

Solvent glue – water-based glue

  • Application of a solvent or aqueous adhesive.
  • Water based solvent evaporation
  • calendering lamination of base film

Solventless glue

  • Application of the adhesive via a 5-cylinder system.
  • calendering lamination of base film
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