What is Stuckware Glass Defect?

What is Stuck Ware Glass Defect?

By: Berlin Packaging Specialist
Date: November 11, 2019

Stuck Ware is a type of glass defect during the manufacturing process of glass bottles.

Two articles are attached while hot and separated while cold. This separation causes a sharp or cutting edge (rough glass edges on the side, lacerations on the contact area between the bottles).


  • Impossible to pack the item correctly
  • Risk of injury to the worker or the end user