RB Emulsion Blockout Pen - Blue
For use with water/aqueous based and solvent based inks.
A quick drying, (3-5 minutes. Actual drying time will depend on shop conditions) non-hazardous, biodegradeable, water based blockout for retouching and repairing both direct and indirect screen stencils.
Dry blockout must be reclaimed out of screen.
Always test before use in production.
Read SDS before use.