Table 1 Surface tension and contact angle measurement techniques.

From: Controlling unequal surface energy results caused by test liquids: the case of UV/O3 Treated PET

Surface tension, static methods

Surface tension, dynamic methods

Contact angle methods

Pendant drop

Bubble pressure

Sessile drop

Wilhelmy plate

Drop volume/weight

Wilhelmy

Ring/Du-NoĂ¼y

Falling curtain (Mach angle)

Washburn

Spinning drop

 

Top-view distance

Sessile drop

 Â