Table 1 Water contact angle and pore size distribution data of PTFE and PTFE-CNT membranes.

Water contact angle

130 ± 2°

136 ± 3°

Minimum pore size (µm)

0.0430

0.0353

Mean Flow Pore Size (µm)

0.1562

0.1489

Pore size at the bubble point or maximum pore size (µm)

0.36

0.292

Bubble point pressure (PSI)

18.329

22.579