Holden's Photo Emulsion 206 is a diazo photo emulsion. It resists solvents and water, and is a mainstay of the Plastisol Ink printer. Very easily reclaimable with exceptional detail.
From the product label:
SOLVENT RESISTANT
Photo Emulsion 206 is a high solids content photo emulsion with exceptional fine line detail and solvent resistance. May be used with all ink systems.
INSTRUCTIONS: Add sensitizer and stir well. Allow to stand for 10-15 minutes. Coat screens in the usual fashion. Shelf life of sensitized emulsion is from 4-6 weeks. Does not contain chrome. Ecologically sound.
Store in a cool dry place. Protect from freezing.