When the design on the exposed screen is no longer needed, the emulsion layer can be removed from the screen using our highly effective, biodegradable ULTRASTRIP emulsion remover, restoring the mesh to its original state. This creates space for new designs.
Before removing the emulsion, ensure that all paint residues have been removed from the screen. Generously spray the cleaner on both sides of the mostly clean screen (Fig. 1). If necessary, it can also be evenly massaged into the mesh with a stripping sponge or cleaning brush. The treated screen should then rest for 4-5 minutes (Fig. 2). After the exposure time, the loosened emulsion residues are rubbed out using a sponge or brush in circular motions (Fig. 3) and "blasted" out of the screen with a strong water jet (Fig. 4). In professional applications, a high-pressure cleaner (Kärcher) is used for this purpose. If one does not have access to a personal high-pressure cleaner, the high-pressure cleaner at a car wash can be used in emergencies. Using a high-pressure cleaner is the most fabric-friendly method for emulsion removal.
Once the last residues have been blasted out, the screen should be rinsed on both sides with a gentle water jet to remove the final stray emulsion residues. Finally, the screen should be checked against the light. If any emulsion residues remain, they can be sprayed again with the remover and treated as described above.
If problems arise with stubborn emulsion residues, our ECO SCREEN WASH (Item No. ECOS01) comes into play. This is primarily a cleaner for screen printing inks, but it also effectively dissolves emulsion residues. The ECO SCREEN WASH is massaged evenly into the screen mesh on both sides. After a 3 to 4-minute exposure time, the emulsion residues are either rubbed out with a stripping sponge or cleaning brush, or a high-pressure cleaner is used. After application, the screen should be rinsed with a gentle water jet.
If residues of emulsion remain stubbornly on the mesh despite multiple removal attempts, this is often an indication that the emulsion was underexposed beforehand. Underexposure means that the UV light did not fully cure the emulsion during exposure. Besides insufficient exposure time, the most common cause of underexposure is inadequate drying of the emulsion BEFORE exposure. If the emulsion layer is not 100% dry, it cannot be fully cured. Incorrectly dried photo emulsion is responsible for the majority of emulsion removal problems. Therefore, great attention must be paid to the correct drying of the emulsion BEFORE exposure. It should be noted that the humidity in the room should be kept as low as possible during drying. Another common cause of emulsion removal problems is the lack of post-exposure of the photo emulsion.
One part of ULTRASTRIP25 emulsion remover concentrate is mixed with 18 to 25 parts of clear water. We generally recommend a mixing ratio of 1:20 for all commercially available emulsions. Example: One liter of water is mixed with 50 ml of concentrate. WARNING: A higher concentration does not lead to a higher effectiveness; instead, it may permanently seal the emulsion in the screen.
When stored properly, the emulsion remover is stable for at least 2 years. The product should be kept at room temperature and always protected from frost and heat.
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