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Ulano #10 Extra Heavy Blockout

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We recommend Red Coat Blockout for an in-stock option.

Ulano #10 Extra Heavy Blockout | Great For Touch-ups

A heavy, non-flammable, water-soluble blockout with effective coverage in a single coating especially with coarse mesh. Can be used for touch-ups when thinned with cold water. Can be used in unventilated rooms since it contains no organic solvents. Recommended for use on all mesh, with all stencil systems. Use only with non-aqueous inks. Blue color. 


  • For direct emulsion and CDF Direct-Film stencils: Pour a small amount of Extra Heavy Blockout No. 10 onto the open border area of the fully processed and dried stencil on the printing side of the screen. Scrape it evenly into the fabric, using a piece of cardboard or plastic. Use the scraper to smooth and thin the layer to promote quick drying.
  • For Indirect System stencils: For best register and a strong "knit" between stencil and blockout, apply the Extra Heavy Blockout No. 10, as above, when the screen fabric is dry, but before the film is completely dry. Apply the blockout to the printing side of the screen, going over the edges of the backing sheet. Let the stencil and Extra Heavy Blockout No. 10 dry completely before printing.
  • For touch-ups: Thin Extra Heavy Blockout No. 10 with cold water and touch up as needed.
  • To remove: After ink removal, but before stencil removal, rinse with water.

Additional Information
Click Here for Technical Data Sheet