ČSN EN 17665

This document specifies the requirements and test methods to demonstrate that plastic caps and lids of single-use beverage containers with a capacity of up to three litres remain attached to the container during the product's intended use stage. This document also addresses the need to ensure the necessary strength, reliability and safety of beverage container closures, including those for carbonated drinks. This document applies to the strength, reliability and safety impacted by the attachment features and does not apply to the overall closure system.