In this video, we show you surface tension of PLA for 3D printer. We used contact angle meter SL200K with high temperature chamber and high temperature syringe (max temp. about 450℃) to measure surface tension of melted PLA for 3D printer under temperature about 250-280℃ based on pendant drop method. And, we used ADSA-Realdrop method from CAST3.0 disigned by USA KINO to calculate surface tension of melted PLA for 3D printer. We found out that it is hard to form a shape of pendant drop under suggested melted temperature (about 190-220℃), and shape of melted PLA is hard to be controlled to form a drop shape. So, measured value of melted PLA for 3D printer (about 36-42mN/m) is just a reference for you, and we suggest you measure SFE for PLA, and then check out if measured value used melted PLA way is suitable. Visit http://www.uskino.com to find more information about contact angle meter.
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