Cetie Guide No 11 - Metallic Screw Capping Defects - Identification And Correction

Published February, 2017, this document identifies the principal defects which may occur with "Roll-On-Pilfer-Proof" aluminium screw type closures and outlines methodology to orient corrective action. It applies to all different ROPP types for both still and pressurized liquids, with and without redraw.