Labeling pharmaceutical products presents unique challenges that only the right adhesives can meet. For example, a product may need to be stored in cold, or even cryogenic conditions, or it may have to pass through an autoclave, irradiation sterilizer or ethylene oxide without losing its label.
In addition, syringes and ampoules offer a low diameter for label adhesion, and there has been a move away from glass and towards plastic, creating a need for label adhesives that can adhere to low surface energy substrates. The adhesives must also be sufficiently inert to prevent contamination of medications through migration of the adhesive.
Avery Dennison notes that the testing of label adhesives that tack the label firmly in place, and that remain impervious to conditions that would generally be adverse for adhesives, while having low migration characteristics requires collaboration between adhesives manufacturers and the pharmaceutical industry. This important collaboration helps adhesive providers develop new products to meet new applications and understand broader industry trends to develop the next generation of solutions.