Looking for a way to block-out screens for water based and discharge screen printing? Aqua Block WB Screen Blockout is a medium viscosity, water soluble blockout designed to fill the open areas of the screen not covered by the emulsion. This blockout was built to withstand squeegee abrasion and long print runs and is ideal for water based and discharge inks.
- When the screen is dry and free of contaminants, pour Aqua Block WB Screen Blockout on the print side of the screen. Spread over the open areas of the screen until completely filled.
- Touch up all defects, including heavy blobs which tend to dry the outside and pop off or smear during printing. Where very fine meshes are used, you may reduce the viscosity by adding a little water.
- Remove block out with emulsion remover.
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I have used this product for several print job and so far so good. Seems to hold up well against water based inks.