Chilled packaging for food stands out among the trends of the new era of packaging.
Until the beginning of the 20th century, food packaging was essentially rigid (jars, cans, drums, barrels) and made using metals (predominantly steel) and glass. The chilled, tailor-made food packaging technique had not yet demonstrated its potential to bring a product to market safely and in an attractive way for the consumer. Over the last few decades, this innovative packaging trend has been successfully developed in the food industry because of all the good things it does.
Chilled packaging for food: properties and uses
Chilled packaging for food fulfills a fundamental objective: to keep the product inside safe from when it’s packed until the consumer opens it. Including, thus, the stages of transportation, storage, distribution and exhibition.
Next, we define the top five advantages of chilled packaging for food.
Mechanical resistance at low temperatures large part of packaged food has to be kept refrigerated, if not frozen, to reach the consumer in optimal preservation conditions.
Barrier properties
One of the primary functions of a converter is to provide containers with the lowest possible permeabilities to gases and vapors, oxygen, light, to aromas.
Sealability
Most chilled food packaging is closed through heat sealing. Food heat sealing is a method of closing containers by applying pressure and heat to a plastic film utilizing a heat sealer. It is also known as heat sealing and isolates the products stored in the container from the air and other external agents such as bacteria and microbes.
Printability
Using protective packaging to promote and describe the product is a very important marketing tool. Therefore, the graphics, the text, and the arrangement of the figures on the packaging must be reproduced in a very precise and attractive way.
Manufacturing versatility
All commonly used plastics can be made into thin, strong, transparent films. Durability Like glass, plastics do not rust and are inert to attack by most common environmental agents, except for ultraviolet rays. Cost Last but not least, we have the cost of the container, which is, in many cases, the factor that decides between one type of container and another.
Use of chilled packaging according to the type of food
Chilled packaging for fish
The Three Seals Bag is a classic of chilled packaging. Its simplicity and efficiency give it a wide range of possible applications in which this packaging will give us an excellent product protection result.
This type of packaging is an excellent container made without folding with two side welds and a third bottom weld for large formats. Widely used for the packaging of vacuum products and products that are frozen. We can find it in the markets of food products (sausages, meats, smoked salmon, vegetables, nuts).
Chilled packaging for coffee and other granulated or powdered products
The pet food bag/sack with 5 welds comprises four welds on the side folds plus one weld at the base. In this case, the longitudinal welds are located at the vertices of the bends. We have in this bag or sack a product that combines practicality with a high aesthetic and marketing value.
These properties have extended their use for powdered or granulated products. Mainly for chemical or pharmaceutical products. But also for coarse food products such as coffee beans or ground coffee. Powdered chocolate or cocoa, nougat, fresh and toasted sliced bread, tea, fresh pasta and nutritious food. Commonly used for packaging pet food and for all kinds of chemical products in powder or grain form. Such as industrial detergents.
Containers for infant nutrition products
The daypack is synonymous with efficiency and reliability. It is a packaging that combines the maximum properties of stability and conservation.
It perfectly supports, depending on the materials with which it is manufactured. Processes such as sterilization, pasteurization, microwaves, vacuum packaging, liquids, powdered products, etc.
Different applications and purposes for which this bag can be adapted. Protection of the packaged product, barrier properties, commercial. And advertising applications, and infinite printing possibilities.
The daypack bag can be made with all kinds of closures, making them suitable for packaging, among others. All kinds of food and infant nutrition products.
Chilled packaging for snacks and frozen
The flat bag with 2 or 3 seals is a package made without side folds. It is closed externally by welding. Widely used for packaging vacuum and frozen products.
Usually, we can find this type of bag in the markets for snack products. For example, nuts, snacks, sausages, meats, smoked foods.
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