Ulano 925WR is the industry standard used by water-based screen printers needing reliable water resistant stencils. Ulano 925WR has 41% solids content, it dries fast and coats easily. It is dyed pale violet and uses Powder based diazo sensitizer. Shares the main characteristics of Ulano’s TZ emulsions, but with a higher solids content and even better resolution, edge definition, and exposure latitude.
Stencils produced with 925WR are completely water resistant and very durable. 925WR comes with a powder diazo sensitizer, for faster and surer mixing.
If you are using plastisol or solvent inks such as Correx / Nylon etc please select the Ulano Proclaim emulsion which gives a solvent resistant stencil. If you use plastisol or solvent inks with screens exposed with 925WR water resistant emulsion there is a chance that the stencil will degrade and erode.
To view the technical data sheet (includes instructions and exposure times). When used with exposure units/Light sources other than our 1000watt halogen light, exposure times will vary so please check out the data sheet.
Pre-Sensitized – up to 8 months
Sensitized – 8 weeks
Emulsion is best stored in a cool dark environment where adverse weather conditions do not occur. If the storage temperature is warm or hot, or below freezing, emulsion has a tendency to react and will pass its expiry date. The most obvious way of telling whether the emulsion has expired is upon ‘clearing the image’ with water, the sensitizer will not have reacted to the light source and the emulsion will simply wash out completely.
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