ASTM D5094

Introducing ASTM D5094 – Industrial Physics

ASTM D5094 is the standard test method for detecting gross leaks in flexible packaging using internal pressurization. This method evaluates the integrity of pouches, bags, and other flexible packages by applying controlled air pressure and monitoring for bubble formation when the package is submerged in water.

Leak detection is essential for ensuring product protection, sterility, shelf life, and regulatory compliance across food, medical, pharmaceutical, and industrial packaging applications.

What ASTM D5094 Covers

ASTM D5094 defines a non‑destructive (or minimally destructive) procedure for identifying gross leaks in flexible packages. Key elements include:

• Pressurizing the package internally to a defined level
• Submerging the package in a water bath
• Observing for bubble streams that indicate leaks
• Recording leak location, severity, and failure mode
• Ensuring consistent test conditions for repeatability

The method applies to:

• Flexible pouches and bags
• Heat‑sealed packaging
• Laminated films
• Medical and sterile‑barrier packaging
• Food and consumer‑goods packaging

ASTM D5094 provides a simple, reliable way to verify package integrity before distribution.

Where ASTM D5094 Is Used

This standard is widely used across industries where package integrity is critical:

• Food and beverage packaging
• Medical device and pharmaceutical packaging
• Consumer‑goods and industrial packaging
• Flexible‑film converters
• Quality‑control laboratories
• R&D and packaging‑development teams

It supports both routine production checks and validation of sealing processes, materials, and package designs.

Why Leak‑Detection Testing Matters

Understanding package integrity is essential for:

• Preventing contamination, spoilage, and sterility failures
• Ensuring seal strength and barrier performance
• Reducing returns, complaints, and product loss
• Meeting regulatory and customer requirements
• Supporting process validation and continuous improvement

Leak testing is a foundational quality‑assurance tool for any flexible‑packaging operation.

Testing solutions for ASTM D5094

Two products from the Industrial Physics portfolio align directly with ASTM D5094’s focus on flexible‑package leak detection:

The Smart TME Worker Integra

A fully automated, high‑precision leak‑testing system designed for flexible packaging, medical devices, and sterile‑barrier materials. It delivers fast, repeatable results using controlled pressurization and advanced detection algorithms, making it ideal for ASTM D5094 workflows.

TME Pressure Bubble Tester

A robust, easy‑to‑use instrument for performing bubble‑emission leak tests on flexible packages. By combining controlled internal pressure with visual bubble detection, it provides a reliable, standards‑aligned method for identifying gross leaks in accordance with ASTM D5094.

Your Global Test and Measurement Partner for ASTM D5094

Industrial Physics supports packaging manufacturers, converters, and laboratories with the tools and expertise needed to evaluate package integrity in line with ASTM D5094. From bubble‑emission testing to fully automated leak‑detection systems, we help ensure your products remain protected from production to point of use.