Diazo photo emulsion must be mixed with diazo sensitizer.
The photo emulsion method of screen printing allows artists to create a photographic stencil featuring highly-detailed images. Speedball's diazo photo emulsion & sensitizer offer professional-grade results and remove the need for expensive equipment and darkrooms. for use with polyester screen fabrics, Speedball's diazo photo emulsion & sensitizer may be used with any water-soluble or solvent-based ink and can be easily removed with Speedball's photo emulsion remover. Diazo photo emulsion must be mixed with diazo sensitizer.