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> HOME > Video Collection >contact angle of cloth using captive bubble method
contact angle of cloth using captive bubble method

Generally, contact angle of water drop + caontact angle of air bubble at water using captive bubble method =180°. But, for this cloth, this principle does not work again. As shown in video, contat angle of water drop is above 120° and air bubble at water is also above 120°. So, we suggest you to check out you sample with water drop and air bubble together when you want to use captive bubble method. visit to find more information about our contact angle goniometer and surface tensiometer.


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keywords:Interfacial tensiometer|Interface tension|Interfacial tension|measurement of contact angle|measurement of surface tension|interface tensiometer