Testing Solutions For Beverage Applications – Closures And Their Test Methods

By Greg Fisher, Ph.D., Plastic Technologies Inc. and Joel Fischer, MOCON Inc.

This presentation for beverage closure testing, is an overview of the different types of plastic closures and the tests methods for measuring a variety of closure attributes, such as: carbonation and pressurized testing, hot fill testing and permeation testing.

Testing – General Dimensional & Performance

• Closure dimensions
• Filled Package Drop Impact
• Ball Impact
• Removal Torque
• Secure Seal Test (SST)
• Strip Torque

Testing– Carbonated Soft Drink or Pressurized Non‐Carbonated

• Elevated Temperature Cycle
• Opening Performance
• Pressure Retention (Shelf Life)
• Topload Vent

Testing – Hot Fill

• Back‐Off
• Pull‐Up
• Security
• Vacuum Retention

Testing Oxygen Permeation & CO₂ Permeation

• Closure
• Bottle
• Bottle & Closure