Does silk screen film contain silver?

Screen printed films contain silver. A pack of undeveloped film can be washed down to more than 200 yuan. The graphics and text of silk screen printing plate are obtained by printing film. Screen printing process is not similar to intermediate transfer media (such as offset printing), but the direct contact between printing plate and substrate. The content on the printing plate is upside down. In order to ensure the full contact between the film surface and the screen, only the screen printed film can be reversed. Screen printing film is a film with drug film facing upwards. If it's on it, you should see orthography, that is, the medicine film is facing up.