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​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.

Vacuum bag, most of the three/four layer structure, with good water, oxygen isolation function. Without restriction, can measure the body to order different specifications, styles of bags, can be made into flat pockets, three-dimensional bags, organ bags and other styles. Suitable for moisture-proof, light-proof and vacuum packaging of large precision machinery and equipment, chemical raw materials and pharmaceutical intermediates.

Aluminum foil paper refers to the paper made of aluminum foil lining paper and aluminum foil pasting. Its texture is soft and easy to change shape, like paper, and does not rebound after deformation. Can be qualitative and ensure that can play the role of shading, will not fall, opaque, pollution-free, cheap. It is generally used for moisture-proof and decorative packaging of high-grade cigarettes, candy and chocolate.