Precision Tensiometers and Foam Analyzers for Interface Science

Capture the complete picture — equilibrium and dynamic surface tension, interfacial rheology, foamability, and foam stability — from ambient to extreme conditions.

Liquid-liquid and liquid-gas interfaces are dynamic entities. The molecules at the interface are constantly being exchanged with those in the bulk, and their arrangement and interactions evolve over time. To understand most real-world applications, it is therefore necessary to measure more than just the equilibrium state of the interface — otherwise, you are only seeing part of the story.

Relying only on equilibrium surface tension measurements can often be misleading because: 1) they tell you nothing about how long it took to achieve the equilibrium state, and 2) they do not tell you how the interface will respond to perturbations. If your formulation is sprayed, mixed, sheared, or otherwise mechanically or environmentally disturbed, understanding interfacial and surface dynamics is essential to ensuring your product performs as formulated. How quickly do surfactants adsorb to a freshly created surface? How does the interface respond when it is stretched or compressed? How do these properties evolve over the first seconds, minutes, hours, days, or at whatever timescale and mechanical conditions your application is.

Your ability to measure these dynamic properties—adsorption and desorption kinetics, interfacial rheology, and viscoelastic response—connects laboratory measurements to real-world performance. They explain why two formulations with the same equilibrium surface tension can behave completely differently in practice.

The same holds true for foams. Observing foam height visually — whether in a beaker or a graduated cylinder — can provide a general sense of direction, but it is not quantitative. Different observers will interpret the same foam differently, and important transitions can be missed entirely. For basic screening, this may be sufficient, but for true optimization and understanding, you need deeper, more nuanced insight.

Foam behavior depends not just on chemistry but also on how the foam is generated, how liquid drains through the film network, how bubbles coarsen and rearrange, and how these processes interact. Bubble size is particularly important — it is one of the most revealing indicators of foam evolution, because changes in bubble size distribution directly reflect the drainage, coalescence, and coarsening processes that govern foam stability. This is information you simply cannot obtain by watching a foam column with the naked eye.

Reproducible foam analysis also requires reproducible foam generation. If foam creation varies from run to run, the stability data will reflect that variability, masking any true differences between formulations. Controlled, consistent foam generation is the foundation of meaningful and repeatable results.

At TECLIS, we build instruments that give you the complete picture. Equilibrium and dynamic surface tension. Adsorption and desorption kinetics. Interfacial dilatational rheology. Foam generation, drainage, bubble size evolution, and stability — measured simultaneously, in real time.

Our goal is simple: to help you truly understand your system, so you can make better decisions about your formulation, your process, or your research.

Teclis - Measure Precisely. Formulate Confidently.

Surface Tension Analyzer - Tracker™

The well-known and proven Tracker™ allows you to measure and understand equilibrium and dynamic surface and interfacial tension— an all-in-one, modular, versatile, and intelligent package.

Use the Tracker for all your surface tension and interfacial tension applications.

  • Pendant drop

  • Rising drop

  • Sessile drop

  • Captive drop

  • Surface tension (liquid/gas)

  • Interfacial tension (liquid/liquid)

  • Adsorption/desorption kinetics

  • Contact angle (liquid/solid)

  • Dynamic contact angle

  • Interfacial Dilatational Rheology

  • Viscoelastic modulus​

  • Coefficient of rigidity

  • Automatic Critical Micelle Concentration (CMC)

  • Surface and Interfacial tensiometry in extreme pressure and temperature environments

For more detailed information, please visit our product page.

The high surface tension of water

Foam Generation and Stability - FoamScan™ and FoamJet™

We can offer you our industry-leading FoamScan™ and FoamJet™ analyzer if your work, product, process, or research involves foams or defoamers. The FoamScan™ allows you to measure foam generation and stability. Capture all essential foaming characteristics on a macro and micro scale. The FoamJet™ is a high-throughput instrument designed to expedite defoamer development and testing:

  • Foam Volume

  • Liquid Volume

  • Liquid Fraction (Drainage)

  • Foam Density / Stability

  • Bubbles Size and distribution

  • Bikerman Index

  • Foam Capacity

  • Expansion Coefficient

  • Conductance

  • Foam Maximum Density

  • Foam Stability Index

  • Defoamer Performance

  • Defoaming Efficiency

For more detailed information, visit our product page.

Foam drainage followed by foam collapse

Please see the specific product pages for more detailed information on how we can help you create, understand, or improve your product or process.

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Teclis - Measure Precisely. Formulate confidently.