Diphenyl Oxide-Biphenyl Eutectic Dowtherm A HTF-1
ITEMS |
QUALITY STANDARD |
Eutectic mixture of Biphenyl and Diphenyl Oxide, in which, Biphenyl content Diphenyl Oxide content |
26.5 +/- 1.0 % 73.5 +/- 1.0% |
Temperature Span to Distill 95% (v/v) (0℃, 101.325 KPa) |
255-258 ℃ |
Moisture |
300 ppm max |
Chloride |
10 ppm max |
Sulphur |
5 ppm max |
Crystallization Point |
12.2℃ min |
Boiling Point ℃, 1013mbar |
257 |
Flash Point ℃ |
110 (closed cup) 124 (open cup) |
Fire Point ℃ |
127 |
Autoignition Temperature ℃ |
621 |
Density 20℃ g/cm3 |
1.060 – 1.064 |
Kinematic viscosity 40℃ |
2.48 mm2/s (cst) |
Coefficient of thermal expansion |
0.00097/℃ |
Max bulk temperature ℃ |
400 |
Max film temperature ℃ |
430 |
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