Offset printing uses inks that, compared to other printing methods, are highly viscous.There are many types of paste inks available for utilization in offset lithographic printing. These include heat-set, cold-set, and energy-curable (or EC), such as ultraviolet- (or UV-) curable, and electron beam- (or EB-) curable. Siegwerk Offset Ink Matching With our Exclusive set-up with Siegwerk, we offer the exact shade & finish as per your requirement. For this we use a Photo Spectrometer, which analysis and projects the best matched color.