Co-ex film is a transparent material, with anti-static, vacuum, moisture-proof function. By using the five layer PE/PA / seven layer, the resin of different polarity by using modified poly hydrocarbon coextrusion adhesive such as PE/PA/PP/EVOHTIE, contains modified raw material. It has high barrier puncture resistance and excellent the widely. For food, medicine, machinery, electronics, chemicals, and other fields. The thickness of 0.045-0.25mm, can be provided by the customer size production.