ASTM 2178 and 2357 Explained
ASTM 2178 and 2357 Explained
ASTM 2178 and 2357 Explained
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<strong>ASTM</strong> E<strong>2178</strong> Test ProcedureTest Sequence:• Measure the extraneous air leakage of thetest apparatus/specimen at various staticpressure differentials (DP) as follows:25,50, 75, 100, 150 <strong>and</strong> 300 Pa;• Cut the top section of the polyethylenefilm;• Measure the total air leakage at the samevarious static pressure differentials;