ISBT PTC-00019Plastic Bottle Closure Quaification Test Manual
This document provides a collection of test methods for the qualification of plastic flat-top closures applied on PET bottles that are used in the beverage industry. Physical performance test methods are covered in section 3.2, notably 3.2.10 Removal Torque, 3.2.15 & .16 Strip Torque, 3.2.17 Top Load (Vent), 3.3.6 Linear Deformation/Security, 3.3.8 Opening Performance after Reclosing, 3.3.13 Tamper-Evident Band Separation Force Test