Astm D3078 Pdf 2021

Equipment is relatively inexpensive compared to high-tech helium mass spectrometry or gas analysis systems.

BUBBLE STREAM DETECTED? | +--------------+--------------+ | | YES NO | | v v [ FAILED TEST ] [ PASSED TEST ] Steady bubbles No bubble stream indicate a physical indicates a secure, defect or hole. airtight seal.

Turn on the vacuum source. Gradually increase the vacuum level. Standard testing levels often range from 5 to 15 in. Hg, depending on the rigidity and construction of the package. Watch the package expand as the vacuum increases. Step 4: Observation astm d3078 pdf 2021

Observe for a continuous stream of bubbles emerging from a single point. Intermittent bubbles may indicate trapped surface air; steady bubbles confirm a leak.

For packaging containing pesticides, spray paints, lubricants, and other chemicals, ASTM D3078 helps: airtight seal

is the definitive global standard for identifying gross leaks in flexible packaging using the bubble emission method . Officially reapproved by ASTM International with editorial updates, this protocol establishes a reliable, cost-effective framework for quality control across the food, pharmaceutical, and medical device sectors. By utilizing a specialized vacuum chamber, the test exposes structural and seal defects visually before compromised products ever reach the consumer marketplace.

💡 Tip: If you work for a certified lab or a large manufacturer, ask if they have an ASTM portal subscription. Many QA departments maintain a library of active standards. Standard testing levels often range from 5 to 15 in

The test must be executed systematically to prevent false positives or package distortion. 1. Preparation