Speedball Diazo Photo Emulsion System, Photo Emulsion, 26.4 Oz

Photo emulsion offers an exciting range of screen printing possibilities Photo emulsion techniques let you print fine line drawings and hand and commercial letterings as well as photographic half-tone positives. System has a shelf life of up to 3 years if not mixed. Once sensitized, the shelf life is up to 4 weeks at 90 deg.F, up to 8 weeks at 70 deg.F and up to 4 months when refrigerated.