"Non-heatset" means a class of lithography or letterpress that does not require a heated dryer to solidify the printing inks. Ultraviolet-cured and electron beam-cured inks are considered non-heatset.
Ill. Admin. Code tit. 35, § 211.4065
Amended at 34 Ill. Reg. 9069, effective June 25, 2010