What is Excessive Hot End Surface Treatment Glass Defect?

What is Excessive Hot End Surface Treatment Glass Defect?

By: Berlin Packaging Specialist
Date: November 11, 2019

Excessive Hot End Surface Treatment is a type of glass defect during the manufacturing process of glass bottles.

  • Tin: visible iridescence on the empty article, more obvious when filled.
  • Titanium: barely visible or invisible mark on empty article, it gives the product a dark/purplish color (DE).