Mix Speedball Water-Soluble Block Printing Ink Extender with Speedball Water-Soluble Block Printing Inks to create subtle, transparent colours for your relief prints. Simply mix a small amount of ink with the extender for beautiful, streak-free results. This water-soluble extender doesnt affect ink viscosity, so youll get consistent results every time.
Cleanup is fast and easy with just soap and water.
Speedball Water-Soluble Block Printing Ink Extender is safe for use at home and in the classroom.