Understanding Collapsible Tubes: Materials and Applications Collapsible tubes are versatile packaging solutions for viscous liquids like toothpaste, artist’s paint, and ointments. These cylindrical, hollow containers typically have a round or oval profile and are designed to dispense their contents through hand pressure. Sometimes, a tube key at the base is used to help roll them up and empty the contents. Materials Used in Collapsible Tubes Aluminum Collapsible Tube Aluminum is a popular material for collapsible tubes, particularly in the cosmetics, pharmaceutical, and food industries. These tubes are produced through impact extrusion, where a small round blank is shaped into the tube. Thanks to the high temperatures involved in production, the […]