PET film has good commercial properties and heat sealing property

1. PET film has good heat sealing property. The polyester film substrate itself cannot be heat sealed, but the heat sealing property can be greatly improved by compounding with polyethylene with excellent heat sealing property. Therefore, polyethylene film is the inner layer of the composite film;

2. It has good air tightness, moisture resistance and heat resistance. Cold resistance, fragrance retention, UV resistance and other properties can effectively protect commodities, especially beneficial to food preservation;

3. It has good commodity performance. PET composite film has good transparency, glossiness, good printability, and is suitable for decoration. In addition, it has good rigidity, crispness, good shelf effect, and attracts customers;