The function of the release film: In the electronics industry, it is used to protect sensitive surfaces like displays and touchscreens, preventing scratches and contamination.

Printing Industry: Serves as a temporary carrier for transferring printing patterns or protecting the printing surface.

‌Composite Materials: In the lamination process of composite materials, release film is used to isolate the individual layers and prevent sticking.

‌Tape and Labels: Backing material for tape and labels, facilitates peeling during use.‌

The selection of release film requires consideration of factors such as thickness, release force, and temperature resistance. Common thickness ranges vary from 25 micrometers to 200 micrometers, with release force adjusted according to specific application needs, usually between 5-50g/25mm.