: The operator watches for a steady stream of bubbles. Hold : The vacuum is held for a minimum of 30 seconds .
First published in 1994, the standard has been periodically reviewed and reaffirmed to reflect current industry best practices. The most recent version confirmed by ASTM is ASTM D3078-02(2021)e1, which was approved and published on February 15, 2021.
Fill the vacuum chamber with enough fluid to cover the test specimen by at least 25 mm (1 inch). Submerge the package beneath the baffle plate. 2. Evacuation astm d3078 pdf 2021
: The package is placed in a transparent vacuum chamber and submerged under water. Vacuum Application
ASTM D3078 is a standard test method that provides a procedure for determining the presence of bubbles in sealants. This test is essential for evaluating the quality and performance of sealants used in various applications, including construction, packaging, and industrial manufacturing. The 2021 version of the standard has been updated to reflect the latest testing procedures and requirements. : The operator watches for a steady stream of bubbles
: If bubbles stream from the package, you’ve found a leak. Why Does the 2021 Reapproval Matter? The designation ASTM D3078-02(2021)e1
The 2021 revision (designated D3078-21) introduced several clarifications and technical updates compared to the previous 2018 or 2014 versions. When you acquire the , you will notice the following key updates: The most recent version confirmed by ASTM is
: As the vacuum level drops, observe the submerged package for bubbles. A continuous stream of bubbles from a specific location indicates a leak.