Speedball Diazo Sensitizer 2 oz

Designed for screen printing, now artists can easily create highly-detailed images without the need for a darkroom! Simply mix Diazo Sensitizer with high-quality Diazo Photo Emulsion to activate the development of a stencil image. 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.