Metsä Board

Innomost launches birch-bark suberin coating for fibre packaging barriers

Finnish company Innomost has developed Suberinno Suberin, a barrier material derived from birch bark suberin, aimed at replacing fossil-based coatings in fibre-based packaging. The material targets moisture, grease and oxygen barrier properties for food and non-food paper and board packs. Innomost currently produces the material at its Kokkola, Finland facility and plans to build an industrial-scale plant within two to three years.

Why this mattersA commercially scalable bio-based multi-barrier coating could let paper and board packaging displace plastic laminates while meeting PPWR recyclability requirements.

• Innomost sources birch bark from an existing side stream of the Nordic forest industry.
• The product is marketed as Suberinno Suberin.
• It can provide moisture, grease and oxygen barrier properties in a single material.
• Production currently takes place at Innomost's facility in Kokkola, Finland.
• Innomost plans to build an industrial plant and scale production within two to three years.
• University of Oulu is separately developing suberin coatings with UPM and Metsä Board.

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