22 Oct 2019 --- Awareness of the circular economy is out in full force at K 2019, which is seeing 3,300 members of the plastics and rubber world come together in Dusseldorf, Germany, October 16 to 23. The notion of a “circular economy” has been a buzzword in recent years, with agile companies responding to the growing movement toward a model in which resources are kept in use for as long as possible, extracting the maximum value from them, and recovering and regenerating products and materials at the end of each service life. This is the opposite to the traditional linear economy that centers on making, using and disposing. PackagingInsights takes a look at some of the circular solutions on display at K 2019.