Flexible Packaging
OXYGEN BARRIER

Coatings for
Oxygen Barrier

Advanced flexible packaging solutions extending shelf life, maintaining freshness, and reducing waste. Our oxygen barriers are the sustainable alternative to traditional multi-layer structures.

High Barrier Performance

OTR (Paper)

<3 cc/m²/day

OTR (PET)

<0.8 cc/m²/day

Excellent Machinability

Michem® Flex Barrier Product Line

Michem® Flex Barrier

Product Line

High-performance water-based coatings applied superficially on both monolayer films and papers. Compatible with standard application systems (rotogravure, flexo, rod, or roller) with conventional drying, facilitating the transition to sustainable packaging without complex machinery modifications.

  • Very high oxygen barrier (+ aroma and mineral oil barriers)
  • PET <0.8 cc/m²/day; Met-PET <0.03 cc/m²/day
  • BOPP, MDOPE <10 cc/m²/day
  • Papel <3 cc/m²/day
  • Over-printable
  • FDA indirect food contact
  • Some products may be used as metallization primer and/or metal layer topcoat
  • Some products may be used as extrusion primer and OTR coating combo
  • Can be combined with functional heat-seal coating to provide all-in-one solution for paper packaging

Oxygen Barrier Range

Michem Flex Barrier Range

Approximate graphical representation of barrier values.

What is a Functional Barrier Coating?

Unlike traditional laminations that use multiple layers of hard-to-recycle plastics, our functional coatings are water-based liquid solutions. They are applied as an ultra-thin layer onto substrates like paper or mono-material films. Once dry, they create an invisible yet powerful barrier against oxygen, aromas, and grease, enabling the final package to be recyclable and lightweight without sacrificing product protection.

Recommended Structure Guide

Layer Configurations & Structures

Film Structures (Plastic)

Application on Sealant Film

Printed Web (BOPP/PET)
Printing Inks
Lamination Adhesive
OXYGEN Barrier Coating (Michem Flex)
Sealant Film (PE/PP)

Application on Print Web

Printed Web (BOPP/PET)
OXYGEN Barrier Coating (Michem Flex)
Printing Inks
Lamination Adhesive
Sealant Film (PE/PP)
Plastic Performance

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The sustainable, recyclable alternative to traditional aluminum packaging.

High-Barrier Metallized Paper Pouches

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Metallized High Barrier Paper Pouches are a sustainable alternative to traditional laminated packaging, designed to offer exceptional protection.

Layer Configurations & Structures

OPV (Protection)
Inks
Base Paper (UPM)
Michem® Primer
Metallization
Heat Sealant

Developed in technological collaboration with:

BOBST

UPM SPECIALTY PAPERS

Barrier Evolution (Step-by-Step)

* Approximate graphical representation of barrier values.

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Main Office

Calle 26N # 5A N -50, Cali, Colombia

Email

contacto@coaterex.com

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