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    Surface Science Blog You have only scratched the surface.

    Dynamic contact angle

    < 4 min

    How to utilize contact angles in surface characterization: Receding contact angle

    Receding contact angle is the lowest possible contact angle on a given surface. Receding angle is measured on previously wetted surface.

    ~ 5 min

    Analysis of surfaces with contact angle hysteresis

    Contact angle hysteresis can tell you about the homogeneity of your surface coating.

    > 5 min

    Advancing and receding contact angles for full wetting characterization

    One should always measure the advancing and the receding contact angle to get the true picture of the surface wettability.

    > 8 min

    7 ways to measure contact angle

    Due to a wide range of applications, the measurement of wettability, i.e., the contact angle measurement can be done with several different methods.

    ~ 2 min

    Evaluation of functional coatings

    More and more research interest is being put on functional coatings. New measurement techniques are required to evaluate them.

    < 3 min

    How to measure contact angle hysteresis and roll-off angle by tilting method?

    Contact angle hysteresis is often measured with so-called tilting cradle or plate method. The measurement can be done either manually or automatically.

    > 2 min

    Automated dynamic contact angle measurement with the needle method

    Dynamic contact angle measurements with the needle method has been automated for reliable and repeatable results.

    > 3 min

    How to measure contact angle hysteresis?

    Contact angle hysteresis can be measured with optical (needle and tilting methods) and force (Wilhelmy method) tensiometers.

    > 2 min

    What is contact angle hysteresis?

    Contact angle hysteresis (CAH) is an important physical phenomenon. When you look through the window on a rainy day, you have probably noticed that some of the water droplets stick to the glass even though gravity is pulling them down. The phenomenon can be explained by contact angle hysteresis.

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