The sealing machine is a kind of film sealing the lunch box for food preservation. So what are the commonly used sealing films?
The sealing films commonly used in aluminum foil container sealing machine are PE, PET, PP, PVC, and aluminum foil films. As long as the material of the film is the same as the material of the box, the machine can be sealed. If the materials of the two are not the same, it will seriously affect the sealing effect or there will be cases where the sealing is impossible.
