Surface Tension Data: water
70 to 200
Surface tension of liquids vs. temperature (liquid-air interface) in mN/m, with temperature coefficients and contact angles. Covers water (IAPWS 2014, 0-200 C), common solvents (ethanol, methanol, acetone, benzene, toluene, hexane, octane, dodecane, glycerol, ethylene glycol), cryogens (liquid N2, O2), refrigerant R-134a, acids, alkalis, molten metals (solder, aluminum, steel), and mercury.
| substance | temperature C | contact angle on glass deg (deg) | phase pair | surface tension mN per m (mN/m) | temperature coefficient mN per m per C (mN/m/C) |
|---|---|---|---|---|---|
| water | 70 | 0 | liquid-air | 64.47 | -0.1514 |
| water | 80 | 0 | liquid-air | 62.67 | -0.1514 |
| water | 90 | 0 | liquid-air | 60.82 | -0.1514 |
| water | 100 | 0 | liquid-air | 58.91 | -0.1514 |
| water | 150 | 0 | liquid-air | 48.74 | -0.1514 |
| water | 200 | 0 | liquid-air | 37.67 | -0.1514 |
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