What Is Tetra Pak Packaging? How It Works, What It Is Made Of and Whether It Is Really Sustainable

July 17, 2025 Science Buzzer 0

Tetra Pak cartons look like cardboard, but their multilayer design combines paperboard, polymers and, in some formats, aluminium. Learn how the technology works, why some milk stays shelf-stable without refrigeration, and whether these cartons are really sustainable.