● The inner layer is made of PE film, which has good heat sealing properties, ensuring good sealing of the packaged drugs and extending their shelf life

● Has a certain degree of extension and compressive strength, can be heat sealed at low temperatures, and can prevent drug deterioration during high temperature packaging

● The composite film with PE structure as the bottom layer has good printing effect

● It has good barrier properties against various gases such as air, water vapor, and light.

● Can be used for bag packaging of products such as powders, granules, liquids, etc.