Label Release Liner Report: Developments, Innovations and Challenges

Film release base—PET or PP?
Film release liner is generally predicted to have a starry future, and three speakers addressed the subject of their preferred polymers: PET and PP. Sjaak Elmendorp, vice president, R & D, for Avery Dennison Materials Group—predicting that "30 years from now, 90 percent of liners will be film based"—outlined the reasons for this change in direction within the label industry, and explained why he prefers PET. It is, he said, more dimensionally stable than its rival; wrinkles less under tension; delivers more labels per reel; and potentially allows a broader range of adhesive options.