Investigation of mechanical tearing - and how it can be applied in openability prediction
Abstract Perforations are one of Tetra Paks oldest inventions of how to open their carton packages. They have been a part of Tetra Briks product portfolio for over 30 years and quality testing is important. Bad openability, with plastic residues covering the torn hole, is a problem that needs to be addressed. When tearing a package with perforation all people do it differently. By using a mechan