White Paper

The influence of surface roughness on wettability

How it is measured? 

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In this white paper we take an in-depth look at the principles underlying the 3D Topography Module method, resulting roughness parameters, and also the Wenzel theory used for roughness corrected contact angles. We also highlight applications and samples that are feasible for this method.

influence of surface roughness on wettability

[Figure] Definition of different types of contact angles; (a) Contact angle on an ideal surface is called the Young’s contact angle (b) Apparent or measured contact angle on a real surface with an inherent roughness .

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