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Custom plastic packaging bags are a job that many food manufacturers must do. Plastic packaging bags are a common type of plastic flexible packaging bags in our daily life. This kind of plastic packaging bag is used to pack food for sale in the future. Many customers who order plastic bags for the first time do not understand the materials of plastic bags. What are the advantages of these plastic bags? Let's take a look at the analysis by Anyi Plastic Packaging for you:

1. Bidirectional stretch polypropylene BOPP: high transparency, tensile resistance, cold resistance, heat resistance, -40 degrees -120 degrees;

2. Biaxially stretched polypropylene matting film: a film with low reflectivity, translucent shape and matting effect;

3. Cast polypropylene CPP: good gloss, good transparency, heat sealability, cast high temperature film is suitable for cooking packaging;

4. Polyethylene PE: transparent, good gloss, heat sealability, cold resistance;

5. Polyester film PET: with tensile strength, heat resistance of 60-150 degrees, good air tightness, suitable for cooking, no heat sealability;

6, nylon PA or NY: colorless, high transparency, cold resistance, heat resistance, oil resistance, can be cooked. Easy to absorb moisture, no heat sealability.

When ordering plastic packaging bags, you should know that the plastic packaging bags are all composed of the above single materials, such as OPP composite CPP. This combination is very suitable for the packaging of some small foods. Its characteristics are mainly high brightness, good transparency, and beautiful printing. , Moisture proof, oxygen barrier.

Customized plastic packaging bags need to understand the characteristics of the materials before they can find the packaging bags for their products!

Customized plastic packaging key knowledge