Serigraph: preparing the screen

1. In screenprinting, images are derived from multiple stencils.
The image to be printed can be blocked out on the screen in a number of ways.

2. In this method, the artist is transferring a positive image onto a screen using a photographic process. A cleaned screen is coated with an emulsion sensitive to ulraviolet light and left to dry.

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3. The positive image is placed onto a photo-exposure table and the screen is laid over top, emulsion-to-emulsion. The image is exposed with an
ultraviolet light source, which burns the negative image onto the screen.

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4. Once exposed, the screen is removed and the screen is washed out. The areas of the emulsion blocked out by the positive image wash away from the screen, leaving the negative image on the screen to act as a block-out. The screen is now ready for printing.

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