Photo Emulsion Screen Printing 30 Second Sun Light Exposure

In this video tutorial I will show you photo emulsion screen printing and how to expose a custom artwork silk screen to by using sunlight as my exposure unit. The process is roughly a 30 second sunlight exposure time and you will be able to see the step by step process of burning and screen and washing out a screen as well.

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Photo Emulsion Screen Printing Sun Light Exposure

Photo emulsion printing is the method of applying photo emulsion to a silk screen frame in order to screen print your image. In this video tutorial I will show you the process of photo emulsion screen printing a custom design. The design is roughly 12 x 12 inches. I used a DIY screen printing frame made to a 14 x 16 inch size. The process of exposing the emulsion will be done with sun light exposure.

Silk Screen Materials

The silk screen materials used in this video tutorial were very minimal. I used a photo emulsion silk screen that was coated in advance. Also a film positive of the custom artwork design was printed. Other silk screen material consisted of a high pressure water hose and a flat piece of glass to hold the transparency positive film image as close to the screen as possible. This is so that during the process of sun light exposure the light does not go under thew image and thus ruin the image details.

Flat Screen Printing Process

The flat screen printing process requires photo emulsion to be coated on a silk screen frame. First I started the process by placing the image on the DIY screen printing frame with the image backwards. I then placed a large piece of glass over the image on the screen to provide positive pressure and press the image firmly against the screen and emulsion. This part of the flat screen printing process insures that no light gets onto the other parts of the screen where it is not wanted.

Then the photo emulsion screen was placed outside for sun exposure for roughly 30 seconds. You will need to perform your own tests on the specific time because 30 seconds may be too long for some photo emulsions when doing sun light exposure. The screen is then washed out with a high pressure water hose and thus exposing the completed photo emulsion silk screen.

Photo Emulsion Screen Printing
Sun Light Exposure
Silk Screen Materials
Flat Screen Printing Process

Photo Emulsion Screen Printing 30 Second Sun Light Exposure