What is Shoulder Check Glass Defect?

What is Shoulder Check Glass Defect?

By: Berlin Packaging Specialist
Date: November 11, 2019

Shoulder Check is a type of glass defect during the manufacturing process of glass bottles.

Beginning of a crack that does not pass through the entire thickness of the glass (usually in a straight line).

Problem

  • Breakage of the article during or after filling and packaging.