Drop Shape Analyzer

Drop shape analyzer KRÜSS DSA25 for wetting investigations

Tasks and applications

 • Characterization of surface pre-treatment processes

•  Checking the wettability of plastic, glass, ceramic, wood or metal

• Checking surface cleanliness

Link to manufacturer.

 Measuring methods and options

• Contact angle between a liquid and a solid

• Surface free energy from contact angles of several test liquids using all common models

• Static contact angle, advancing angle and receding angle

• Measurement of surface tension and liquid-liquid interfacial tension using the Pendant Drop method

• Temperature-controlled measurements from -30 to 400°C

• Measurements at controlled humidity