Locating small breaches in the material itself.
If your package contains Tyvek or unsealed paper edges, bubble testing is invalid. Use a different method (e.g., dye ingress). astm d3078 pdf 2021
ASTM D3078-02(2021)e1 is a reaffirmed standard for detecting gross leaks in flexible packaging via bubble emission, widely used for quality control in food and medical industries . This destructive, vacuum-based method is effective for packages with headspace gas but may not detect fine, small-scale leaks . For further technical details, visit Accuris Standards store.accuristech.com/standards/astm-d3078-02-2021-e1?product_id=2234091. Locating small breaches in the material itself
The test is simple in concept but rigorous in execution: A flexible package is submerged in a liquid (usually water or a surfactant solution) while a vacuum is applied. If the package leaks, bubbles will stream from the defect point. This is commonly known as the or "water immerson test." ASTM D3078-02(2021)e1 is a reaffirmed standard for detecting
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