OPTICAL CONTACT ANGLE MEASUREMENT


Contact Angle Measuring Device, is sometimes known as Goniometer, is an instrument for determination of contact angle between the dropped liquid drop and the solid surface by optical analysis. The resulting contact angle values can be used to analyse the solid’s wetting properties with the liquid.

The property of surface free energy of the solid can be determined by having measured the contact angles from multiple test liquids, and further analysed with software for work of adhesion for different liquids.

The application of contact angle measuring instrument are very useful in many industries and research fields, for example surface finishing and treatment, surface coatings, cleaning agents, chemical dispersions as well as paints and varnishes. Some of the common analysis :

  • • Contact angle measurement in static or dynamic mode, as well as wettability analysis on solids using the sessile drop method.
  • • Determination of surface energy of solids.
  • • Optical analysis of surface tension and interfacial tension using the pendant drop method.
  • • Fully automatic sample mapping.

Available in: Singapore, Malaysia, Indonesia, Thailand and Vietnam
Manufacturer's website : https://www.dataphysics-instruments.com



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Optical Contact Angle Products


OCA 15EC

The OCA 15EC is the entry level measuring device for professional contact angle measurements and drop shape analysis. The OCA 15EC can be easily disassembled for transportation in the optional case.

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OCA 25

The OCA 25 is the all-purpose measuring device for contact angle measurements and the drop shape analysis. To cope with special requirements of the measuring environment e.g. for aeronautic or enhanced oil recovery research, special models of the OCA 25 are available to measure at high temperatures, low or high pressures.

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OCA 50

The OCA 50 is the measuring device for the fully automatic, time-saving analysis of the wettability of solid surfaces and the determination of the surface energy of solids. Due to the motorized sample table, measuring procedures can be automated easily and thus the surface properties of objects, e.g. large area wafers, can be analysed at the push of a button.

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OCA 200

The OCA 200 is the contact angle measuring and drop contour analysis system for microscopic and macroscopic structures.

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