TABLE II

Number of Tested Samples Showing Liquid Leakage at Certain Leak Sizes Compared with the Total Number of Tested Samples for PE and EVA Films at Different Pressures and for Water and TSB as Model Solutions; Minimum Leakage Time for Each Leak Sizea

EVA FilmWaterTSB
Pressure Applied (mbar)Nominal Leak Size(µm)Number of Samples Showing Leakage/Number of Tested SamplesMinimum Leakage Time (min)Number of Samples Showing Leakage/Number of Tested SamplesMinimum Leakage Time (min)
300106/643/36.27
5Not Tested 0/3No Leak
33/34740Not Tested 
20/3No Leak0/6No Leak
15050/3No Leak6/121470
70106/6623/6970
20/6No Leak0/6No Leak
PE FilmWaterTSB
300105/595Not Tested
52/314301/32280
32/339201/33090
20/3No Leak0/3No Leak
1502Not Tested0/3No Leak
70253/323/34200
203/38Not Tested 
153/3193/31050
103/3743/31195
53/310503/32455
30/3No Leak0/3No Leak
  • a Abbreviations: PE, polyethylene; EVA, ethylene vinyl acetate; TSB, tryptic soy broth.