PSH Underglazes are intense, intermixable, colours available in 50 mL, 250 mL and 500 mL sizes; select size from drop down/fly-out menu. This underglaze can be used with a fine line applicator.. Contains zircon-encapsulated cadmium. Not recommended for use on food surfaces unless testing establishes that metals release is below legal limits. Optimized for use at cone 06.