Drop Shape Analyzer

Micro wetting analysis with almost any liquid

Determine the wettability of very small surfaces using standard test liquids – or find out how microdroplets of your individual formulation, for example an inkjet printing ink, wet the sample. The Drop Shape Analyzer – DSA30M Flexible Liquid dispenses picoliter drops of the liquids and determines the contact angle as a relevant measured variable when wetting and coating processes on tiny surfaces are to be optimized.

Applications

• Investigation of synthetic and natural fibers for composites

• Wettability of contact points in microelectronics

• Optimization and development of hair care products

• Wettability of biochips

• Micromechanical components, e.g. in watches

• Microfluidics

Measuring methods

• Contact angle of a drop on a solid surface
• Surface free energy of a solid using contact angle data

Measuring results

• Contact angle

• Surface free energy

• Work of adhesion between solid and liquid

• Interfacial tension between solid and liquid

• Spreading coefficient between solid and liquid