Material No.

Water wettability

Surfactant wettability

Mean contact angle/(˚)

Std Dev/(˚)

Mean contact angle/(˚)

Std Dev/(˚)

Core-A

135.47

14.69

-

-

Core-B

131.36

10.33

-

-

Core-C

126.6

16.42

-

-

Core-D

-

-

140.42

14.2

Core-E

-

-

139.73

10.56

Core-F

-

-

127.83

11.77

Microchip

125.35

15.73

116.08

25.89