ASTM D3078-02(2021)e1, "Standard Test Method for Determination of Leaks in Flexible Packaging by Bubble Emission," is the current protocol for detecting gross leaks using vacuum chamber bubble emission. The standard, which evaluates flexible packages with headspace gas, is available through authorized distributors. Purchase the standard directly from ASTM International ASTM International
It is a used to detect gross leaks in sealed flexible packages. The principle is simple yet effective: a sealed package is submerged in a liquid (usually water or a surfactant solution), and a vacuum is applied. If the package leaks, bubbles will escape from the defect point. astm d3078 pdf 2021
The 2021 edition more explicitly defines which package types are suitable. It distinguishes between: astm d3078 pdf 2021