While widely accepted, the bubble emission test has distinct limitations:
indicates that the method originally established in 2002 was reapproved in 2021
The 2021 reapproval confirms that the method is still widely valid and accepted for evaluating the leak-tightness of flexible materials, particularly those susceptible to air entrapment, such as seal failures. Key Aspects of the ASTM D3078 Test Method 1. Scope and Purpose
Note: The standard explicitly warns that small leaks might not be detected due to elastic effects on the products, or entrapped air, which can plug the hole when the vacuum is applied. 4. Key Considerations When Using the Standard