What is Sunken or Deformed Punt Glass Defect?

What is Sunken or Deformed Punt Glass Defect?

By: Berlin Packaging Specialist
Date: November 11, 2019

Sunken or Deformed Punt is a type of glass defect during the manufacturing process of glass bottles.

Slough or deformation of the glass in the punt, more or less serious. (M-)

Slough or deformation of glass in the punt, thus making the bottle below capacity. (M+)