With the intensified competition for puffed foods in the market, food companies have paid more and more attention to the control of high-efficiency production efficiency and puffed food packaging costs, puffed food packaging safety and transportation safety. Therefore, from packaging material suppliers, equipment suppliers, and packaging suppliers Business-to-food brands will arouse widespread interest in the exploration of puffed food packaging materials and technology.
Generally, the packaging material of the puffed food plastic packaging bag is a composite film packaging bag, which is composed of a printed layer / aluminum barrier layer / heat seal layer. The common ones are mainly the following:
1. KOPP / VMOPP / LDPE:
Used for potato chips packaging, good heat sealability, oxygen barrier, shading, shelf life can reach more than one year, if you use the method of nitrogen filling, you can also achieve a longer shelf life.
2. BOPP / VMPET / CPP (or PE), BOPP / PE / VMPET / CPP coextruded film, OPP / PET / AL / CPP:
It is used for the packaging of puffed food, and the form used is modified atmosphere packaging, which has the advantages of sealing, shading, oil resistance and so on.
3. BOPP / VMCPP, PET / VMCPP:
It is often used in the packaging of puffed foods such as potato chips. The cost of these two materials is lower, but the shelf life of the contents is slightly shorter. The material has oxygen resistance, moisture resistance, light protection, oil resistance, fragrance retention, a very scratchy appearance, bright colors, and low cost. Among them, BOPP, PET and VMCPP have good stiffness, BOPP has good printability and high gloss. VMCPP has good barrier properties, fragrance retention and moisture resistance, and CPP oil resistance is also good.
The aluminum layer is not in direct contact with food. Usually, the direct contact is with some safer plastics. The products of regular enterprises must be certified by safety before they can be eaten with confidence. Generally, this kind of product itself has a relatively large amount of fat, and the food is easily oxidized. For example, the harassment of oil and fat is caused by oxidation to change the flavor. In order to ensure the shelf life of products, the barrier properties of packaging materials are usually relatively high. Aluminum is recognized as a material with excellent ductility and barrier properties, and therefore it is widely used in the field of food packaging.
Changzhou Haorun Packaging specializes in custom-made puffed food packaging film bags, and has long-term happy cooperation with Leshi potato chips, green food biscuits, Gree high and other brands. Haorun packaging is your choice.
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