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how to measure contact angle with value below 30°

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In this video, we show you how to measure contact with value below 30°. Due to reflecting light, edge of drop with contact angle below 30° is not sharp enough for contact angle measurement. So, we need anti-dazzling plate to cut off some background light. In video, we will show you the difference when using and not using anti-dazzling plate. And, we show you how to calculate again for captured images using different method such as Young-Laplace equation fitting method. Visit to find more information about our contact angle meter.

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