• Quality assurance of activation processes such as plasma treatment, flame treatment, or corona treatment
• Checking wettability of plastics, glass, ceramics, wood, paper, or metal
• Testing the effectiveness of hydrophobic coatings and other coatings
• Analyzing coating liquids and adhesives and assessing their adhesion
• Assessing long-term stability of coatings
• Analyzing (super-) hydrophobic and self-cleaning surfaces
• Wetting analysis at controlled temperature and/or humidity

MEASURING METHODS

• Contact angle of a drop on a solid surface
• Contact angles of two drops dosed in parallel
• Contact angle using a gas bubble beneath a solid surface in a liquid
• Roll-off behavior and advancing/receding contact angle of a drop on a tilted surface
• Surface free energy of a solid using contact angle data
• Surface or interfacial tension using the curvature of a drop or bubble at the tip of a needle
• Surface tension using the curvature of a perfectly symmetrical drop on a circular sample pedestal
• Calculating adhesion-related scientific parameters for the interfacial contact
• Calculating the polar and disperse part of the surface tension from contact angle and surface tension data
• Carrying out a measurement up to 20 consecutive times and displaying the results together

MEASURING RESULTS

• Static contact angle
• Advancing and receding contact angle
• Contact angle using a bubble in a liquid
• Roll-off angle
• Surface free energy (SFE) according to the following models: Owens-Wendt-Rabel-Kaelble (OWRK), Fowkes, Wu, Zisman, Equation of State
• Surface tension of a liquid and interfacial tension between two liquids
• Work of adhesion, solid/liquid interfacial tension, spreading coefficient
• Temperature