What Are the Key Knowledge of Custom Food Packaging Bags?

Custom food packaging bags are a must for many food manufacturers. Food packaging bags are a kind of plastic soft packaging bags that are very common in our daily life. For example, when we buy things in the supermarket, 90% of them are used. It is a food package that is packaged in this plastic bag for sale. Many customers who have custom food packaging bags do not understand the material of food packaging bags. What are the advantages of these packaging materials? Let’s take a look at the solution by Jiecheng Packaging for you:

1. Biaxially oriented polypropylene B OPP: high transparency, tensile resistance, cold resistance, heat resistance, -40 degrees – 1 20 degrees

2. biaxially stretched polypropylene matte film: small reflective, translucent, film with matting effect.

3. cast polypropylene C PP: good gloss, good transparency, heat sealability, cast high temperature film for steamed swallow packaging.

4. polyethylene pE: transparent, good gloss, heat-sealing, cold-resistant

5. polyester film PET: with anti-tension, heat resistance 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, not heat sealed.

When ordering custom food packaging bags, you should know that the flexible packaging bags are made up of the above single materials. For example, OPP is a combination of CPP. This combination is very suitable for the packaging of small foods. Its characteristics are mainly high brightness and good transparency. Beautifully printed, moisture-proof, oxygen-proof.