Bulged Finish Glass Defect?

What is Bulged Finish Glass Defect?

By: Berlin Packaging Specialist
Date: November 11, 2019

Bulged Finish is a type of glass defect during the manufacturing process of glass bottles.

Protuberance on the inside of the finish which can affect the finish during uncorking; no risk of scratching.


  • Depending on the severity, it may affect the corking (bidule, for example) or the filling level.