Astm D3078 Pdf 2021 !!top!! -

To perform a test compliant with ASTM D3078 , specific apparatus are required:

The method operates on the principle of . By placing a submerged package in a vacuum chamber and reducing the external pressure, any air or gas trapped inside the package expands and attempts to escape through the path of least resistance—a leak. Required Equipment and Materials astm d3078 pdf 2021