Screen Exposure System

By placing your artwork positive between the light source and the screen, the art should block the light from hardening the emulsion, allowing you to wash it out and press ink through the image area.Exposing a screen, directing ultraviolet (UV) light toward an emulsion coated screen is the singular purpose of an exposure unit.Determine the increments of time with which you will be exposing your screen. For fast burning emulsions you will use small increments (5-10 seconds), for slower burning emulsions you will use 30-60 second increments.