Permeability Testing
Determination of permeability is particularly useful for verifying the compliance of packaging and film with defined specifications and is also a useful technique for investigating the suitability of the material for a given food product in order to maximise its shelf-life.
This technique consists of studying the process of permeation of a gas (oxygen, carbon dioxide or water vapour) through a barrier, such as a film or an entire package.
The permeation of aeriform substances occurs through discontinuities in the packaging material, such as intermolecular and intramolecular gaps, cracks, breaks or lesions. These discontinuities can lead to infiltration or leakage of oxygen and/or other undesirable volatile compounds.
Permeability measurements are performed on plastic materials in the form of films, foils, laminates, plastic-coated papers or textiles and shaped materials (caps/jars/bottles/trays).
Analytical Techniques we offer include:
- Oxygen permeability on film according to ASTM F2622-20
- Steam water permeability on film according to ASTM F1249-20
- Carbon Dioxide permeability on film according to ASTM F2476-20
- Gas transmission rate on packaging (Reference: DIN 53380-3)
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Services
Food Contact Materials
Neotron's Food Contact Materials (FCMs) services helps you ensure that your food packaging and substances meet compliance standards and applicable international regulations.
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