Speedball Diazo Photo Screen Printing Emulsions are used in a two part process that coats the screen in a light sensitive barrier and when properly exposed to a light source, creates the highest detail possible in your screen. They offer a variety of techniques including printing of fine line drawings, various hand and commercial lettering, as well as photographic half-tone positives. These photo emulsions produce effective results when used with water or solvent-based inks and may only be used on polyester screen fabrics.
Diazo Sensitizer #4578 - The Speedball Diazo Sensitizer #4578 must be mixed well with a 26.4 oz. bottle of Speedball Diazo Photo Emulsion #4579 to activate and begin the Screen Printing process. Diazo Photo Emulsion #4579 has a 3-year shelf life unmixed. Available in a 2 oz. bottle.
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