Barrier packaging for food
Table of Contents
Barrier packaging as the foundation for the safe development of modern packaging materials
Barrier packaging is one of the key elements of product safety in the food, pharmaceutical and chemical industries. Its role is to protect the contents from external factors, primarily oxygen, moisture and aroma loss. In an era of regulatory changes and growing pressure to use recyclable materials, the role of barrier packaging is not diminishing; it is becoming even more strategic.
For manufacturers and purchasing departments, this means making decisions based not on declarations, but on measurable barrier-performance parameters.
For food, pharmaceutical and chemical manufacturers, the key question today is not whether to switch to mono-materials, but whether the new structure will provide the same level of protection as the multi-material laminates used so far.
What are barrier packaging materials and why are they crucial?
Barrier packaging materials are films and laminates designed to limit the transmission of gases — especially oxygen — water vapour and odours. Their effectiveness directly affects:
- product shelf life and freshness,
- quality stability throughout the entire supply chain,
- microbiological safety,
- reduction of losses and complaints.
In practice, this means that even minor changes in the material structure can have a real impact on the quality of the final product.
Barrier packaging in the context of material changes
Traditionally, high barrier performance was achieved through the use of multi-material structures, such as PET/ALU/PE. Today, due to the development of mono-materials and recycling requirements, barrier packaging must be designed in a more conscious and precise way.
This means the need for:
- material structure optimisation,
- film thickness control,
- the use of barrier coatings,
- confirmation of parameters through laboratory testing.
Without this, packaging may meet formal requirements but fail to provide adequate product protection over a longer period.
Barrier performance measurement as the basis for designing barrier packaging
At Mardruk Opakowania, the design of barrier packaging is based on systematic testing carried out by the R&D team. A key element of this process is the precise measurement of oxygen permeability — OTR, or Oxygen Transmission Rate.
For this purpose, specialist MOCON OX-TRAN equipment is used, allowing the team to:
- accurately determine the barrier level of the material,
- compare different laminate and film structures,
- assess the impact of material modifications on product protection.
As a result, barrier packaging can be designed based on data, not assumptions.
Summary - Barrier packaging as an element of conscious design
At Mardruk, barrier packaging is treated as an integral element of product protection, not merely as a carrier for graphics. Thanks to the work of the R&D team and the use of modern laboratory equipment, we develop solutions that:
- provide real protection for the contents,
- extend product shelf life,
- meet growing regulatory requirements,
- remain stable and predictable in serial production.
Contact our technology team and send us your specification – we will prepare a recommendation for the material and process configuration.
Order a free consultation and specification covering the substrate, activation and perforation.
Order samples and a pilot production run.
Receive a fast quotation and a delivery plan that stays on schedule.
Write to us or call — we will respond quickly and precisely.
FAQ
Barrier packaging solutions are designed to effectively protect products against external factors such as oxygen, moisture, light and odours. Thanks to a properly selected material structure, they help maintain product quality, freshness and shelf life.
Barrier packaging is used primarily in the food, cosmetics, pharmaceutical and chemical industries. It is applied wherever a product requires enhanced protection during storage, transport and sale.
The main advantage of barrier packaging is the high level of product protection against the adverse effects of the external environment. In addition, it helps extend product shelf life, improve storage safety and better adapt the packaging to the specific requirements of a given industry.
Barrier packaging can protect, among other things, against oxygen ingress, water vapour transmission, aroma loss, exposure to light and external contamination. The scope of protection depends on the materials used and the packaging structure.
The selection of barrier packaging should take into account the type of product, its sensitivity to external factors, the required shelf life, and storage and transport conditions. A properly designed packaging structure makes it possible to better protect the product and preserve its properties.
