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Contact angle measurement and drop contour analysis is a fundamental technique used to characterize the wettability, surface energy, and interfacial interactions of solid surfaces. By analyzing the shape of a liquid droplet placed on a surface, researchers can infer how hydrophilic or hydrophobic the material is, and gain insights into adhesion, coating performance, and surface treatment effects. This method is critical in materials science, surface engineering, biomaterials research, and quality control in coatings, electronics, and consumer products.
Contact angle and drop contour analysis are based on the optical observation of liquid droplet behavior on solid surfaces.
It depends on application. more than 90° indicates hydrophobicity; less than 90° suggests hydrophilicity. Superhydrophobic surfaces typically show angles >150°.
Standard systems can measure droplets as small as 0.5–1.0 μL.
Yes, with special sample holders and image analysis corrections, though accuracy may be affected.
Yes, upon request. We use multi-liquid methods (Owens-Wendt, Fowkes, or Wu) to calculate polar and dispersive components of surface energy.
Yes. We offer environmental control chambers for climate-sensitive materials.
This analysis technique applies to a broad range of materials and application scenarios:
Our standard contact angle and drop shape analysis includes:
Contact angle measurement and drop contour analysis is a fundamental technique used to characterize the wettability, surface energy, and interfacial interactions of solid surfaces. By analyzing the shape of a liquid droplet placed on a surface, researchers can infer how hydrophilic or hydrophobic the material is, and gain insights into adhesion, coating performance, and surface treatment effects.
