Astm D3078 Pdf 2021 [patched] Now

The method cannot distinguish between a 5 µm hole and a 200 µm hole – both produce bubbles.

ASTM D3078 is designed for the detection of "gross leaks." It is not intended to detect microscopic pinholes that may allow gas permeation but not liquid or bacterial transmission under normal conditions. The test is destructive; therefore, it is typically utilized for process validation, equipment qualification, and sampling plans rather than 100% in-line inspection. astm d3078 pdf 2021