ASTM D3078-02(2021)e1 is a standard test method designed to detect gross leaks in flexible packaging by creating a vacuum and observing air bubble emissions while submerged. This method is essential for quality control in the pharmaceutical, food, and medical device industries, using a transparent vacuum chamber to identify package breaches. Learn more about this standard at Iteh .
The designation code indicates its historical and modern continuity:
Prior to conducting the test, the laboratory must establish appropriate operating parameters. While the standard provides a framework, it does not prescribe universal vacuum levels or fixed exposure times, recognizing that these must be tailored to the specific packaging being evaluated. astm d3078 pdf 2021
+---------------------------------------------------------+ | Vacuum Chamber Lid | +---------------------------------------------------------+ | VACUUM | | | | +-----------------------------------------------+ | | | Submerging Screen | | | +-----------------------------------------------+ | | | | | ~~~~~~~v~~~~~~~ <- Fluid Level | | | o | | | | o Pouch | | | | o | | | ~~~~~~~~~~~~~~~ | | Water / Fluid | +---------------------------------------------------------+ 1. Equipment Setup
Title: Ensuring Product Integrity with ASTM D3078-02(2021)e1 ASTM D3078-02(2021)e1 is a standard test method designed
: Water is standard, though other non-degrading fluids can be used.
| Parameter | Value / Range | |-----------|----------------| | Standard | ASTM D3078-21 | | Test type | Bubble emission under vacuum | | Vacuum range | 25 – 508 mmHg absolute | | Typical hold time | 30 – 60 sec | | Detection limit | ~10–50 µm (practical, not certified) | | Destructive? | No (but package may deform) | | Automation level | Manual visual | | Requires calibration? | Gauge only | The designation code indicates its historical and modern
Ensures barrier properties remain intact after manufacturing.
This bubble emission method is excellent for go/no-go testing of gross leaks, but it has limitations. Do not use it for: