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Measurement of surface tension of adhesive using optical contact angle meter

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Viscosity of adhesive is too high for us to measure surface tension of it by general method such as pendant drop method, sessile drop method or wilhelmy plate method.We used contact angle meter to measure contact angle between adhesive and test liquid and calculated surface free energy for it using equation of state model. The meter is made by USA KINO and adhesive (370A/B epoxy adhesive) with Viscosity about 100,000CP is made by Lord CO. Visit http://www.uskino.com to find more information about the meter.  

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