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.

Drop shape analyzer KRÜSS DSA25

Drop shape analyzer KRÜSS DSA25

 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