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Many people think that plastic packaging bag is not environmentally friendly, actually this is not entirely true. Yes, many plastic packaging bags on the market are made of materials that are difficult to degrade, and this kind of packaging bag is indeed not environmentally friendly. However, with the rapid development of packaging industry, the innovation of material application technology and people's increasing attention to the concept of environmental protection, more and more plastic bags are made of environmentally friendly materials.

The common points and differences of vacuum packaging bags, deoxygenated packaging bags and retort packaging bags

With the continuous development of society, people's living standards have improved and the pace of life has sped up. Reducing kitchen work has become people's demand. Frozen food is favored by people because of its convenience, delicacy and rich variety. People pay more and more attention to the safety of frozen food.

​Are you bothered by the short shelf life of food? Are you still afraid that food packaging will spoil easily? Now here comes welfare! Here are six ways to extend the shelf life of your food packaging!

Kolysen packaging, a professional flexible packaging manufacturer, believes that stand up bags have advantages in improving product grade, strengthening shelf visual effect, portability, convenient use, freshness and sealability. The stand up bag can be made of 2 layers, 3 layers and other materials. It depends on the packaged products. The oxygen isolation protective layer can be added as needed to reduce the oxygen permeability and prolong the shelf life of the products.

Shrink film is a late-model of heat-shrinkable packaging material. Due to easy recycling, non-toxic, odorless, good mechanical properties, and particularly environmentally friendly, pets have become an ideal substitute for PVC shrink film in developed countries.

Food wrapping paper is a kind of packaging product with pulp and paperboard as the main raw materials. It needs to meet the requirements of non-toxic, oil resistant, waterproof, moisture-proof and sealing, and meet the requirements of food packaging safety.  Food wrapping paper because of its direct contact with food, most of its packaging items are direct entry food, so the most basic requirements of food wrapping paper must meet the requirements of food hygiene, and then according to the different requirements of food wrapping paper, must also meet the relevant technical standards.  

Spout stand up pouch or bag is a kind of flexible packaging bag with a horizontal support structure. It has a spout at the top or side, whether it is opened or not, its self-supporting structure can be supported independently.

Due to the characteristics of chocolate itself, it is required to prevent hygroscopic dissolution, aroma escape, grease precipitation rancidity, pollution prevention, heat prevention and other requirements in packaging. Therefore, the packaging materials for chocolate are very strict, not only to ensure the beauty of the packaging, but also to achieve the above packaging requirements. The packaging materials of chocolate in the market mainly include paper packaging, aluminum foil packaging, tin foil packaging, plastic flexible packaging and composite packaging.

On a global scale, a culture of convenience and mobility is driving the miniaturization of packaging. Consumer needs and preferences are changing. In urban areas, consumers seek diversified choices in terms of packaging functions, quality and price. In developed countries, consumers are willing to pay for products that make their busy mobile life easier.

The features of food packaging are to better serve consumers, while still retaining the main role of packaging on the product. It can not only play a protective role, but also embellish the product. More importantly, it can also bring new feelings to consumers.