Speedball Diazo Sensitizer

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Diazo Sensitizer combined with Diazo Photo Emulsion allows artists to easily create highly-detailed images without the need for a darkroom. Simply mix the sensitizer with Diazo Photo Emulsion to activate the development of a stencil image, allowing the printing of fine line drawings, various hand and commercial letterings, as well as photographic half-tone positives. Emulsion can be mixed and applied under normal light conditions. Must keep in a dark place until time for exposure. When mixed with Photo Emulsion, this solution can be stored up to three months at room temperature or up to six months in the refrigerator. 

2 ounce bottle.