Use these emulsions effectively with either water or solvent-based inks. They are for use on polyester screen fabrics only. Diazo Sensitizer is required in order to use the Diazo Photo Emulsion correctly. 

Speedball Diazo System Kit - Kit includes 6.6 oz Emulsion and 1 oz Sensitizer (to be mixed with water) as well as 8 oz Emulsion Remover. The shelf life for the sensitized emulsion is four weeks at 90°F (32°C), eight weeks at 70°F (21°C), or four months if refrigerated. An exposure chart is included. The Emulsion and the Emulsion Remover are AP non-toxic. The Sensitizer carries the CL warning label.