Understanding the basics of label application

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Pressure-sensitive labels are a laminate construction made up of a label face material of paper, film or foil, a pressure-sensitive adhesive and a silicone coated backing paper or film (release liner). 

The release liner protects the pressure-sensitive adhesive during handling, printing, converting, die-cutting and rewinding of the labels and right up to the point of application. At this stage, the backing is peeled away from the adhesive immediately prior to its application. This pressure-sensitive label construction can be seen in Figure 2.1.