ASTM D3078 is a standard test method used to detect gross leaks in flexible packaging containing a headspace gas. It relies on the principle of differential pressure. When a package is submerged in a fluid and subjected to a vacuum, gas inside the package expands. If a leak exists, the escaping gas forms a continuous stream of bubbles, which the operator visually detects. Why is Package Integrity Testing Essential?
Clear plexiglass container to allow full visual inspection. astm d3078 pdf 2021