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Analysis, optimization, and development of barriers

The largest independent barrier laboratory in the Nordic region's that offers services to companies and academia.

Testbed for barrier materials is a facility where development and characterization of barrier materials is carried out.

The testbed offers:

  • Development of barrier formulations for films or dispersions applied by application techniques: solution casting, coating, extrusion, hot pressing or lamination.
  • Discussion partner and support in choosing barrier materials.
  • Measurement of film or entire packaging.
  • Oxygen transmission measurement down to 0.005 cm3/m2 d (OTR).
  • Water vapor transmission measurement down to 0.0005 g/m2 d (WVTR).
  • Image analysis of surfaces (pin-holes, cracks, defects) and cross-sections (penetration and coverage) with SEM.

Facts

Test & Demo name

Barrier materials

Established

1983

Category

Laboratory testbeds (LT)

Industry

Food and agriculture, Manufacturing, Materials, Pulp, paper and packaging

Area

Plastics, Packaging, Food, Pharmaceuticals, Pulp and paper, Material transition

Region

Region Stockholm

Address

Drottning Kristinas väg 61, Stockholm

More information

The barrier lab measures the barrier performance for transport of oxygen and water vapor for various materials. The barrier performance is studied by measuring the oxygen and water vapor permeability at controlled temperature and humidity. This is characterized by the diffusion rate of oxygen and water vapor: OTR (oxygen transmission rate) and WVTR (water vapor transmission rate).

 

The barrier lab is equipped with eight sensitive and advanced instruments for permeability measurements, five of which are for passage of oxygen (Ox-Tran 2/21, 2/22 and 2/22 10x) and three for passage of water vapor (Permatran and Aquatran 1MG and 3).

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