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Sanyi Chemical
Low temperature heat conducting oil: L-65
Appearance: yellowish transparent liquid
II. Features:
1. Freezing point is lower than -60℃, low viscosity.
2. Good heat stability.
3. Non-corrosive to metal.
4. Waste oil is reusable.
5. No odor, has no effect on operator.
6. Excellent performance of oil mixture.
| Molecular weight | 182 | ||||
| Density (20℃)(g/㎝3) | 0.994 | ||||
| Boiling point (℃) | 280 | ||||
| Freezing point(℃) | <-60 | ||||
| Specific heat(kcal/㎏.℃ boiling point) | 0.581 | ||||
| Heat of evaporation ( boiling point)(kcal/㎏) | 76 | ||||
| Expansion factor (ml/ml.℃) | 9.8×10-4 | ||||
| Flash point (open) (℃) | 140 | ||||
| Viscosity (C.P.) |
0℃ | 7.5 | Vapor pressure (mmHg) |
100℃ | 1.3 |
| 50℃ | 2.1 | ||||
| 200℃ | 83 | ||||
| Heat conductivity coefficient kcal/m.h.℃ |
100℃ | ||||
| 200℃ | 0.45 | ||||
| 200℃ | |||||
| 300℃ | 0.24 | ||||
| 300℃ | |||||
| 350℃ | |||||
| 350℃ | 0.18 | ||||
Thermodynamic property
| Temperature (℃) |
Vapor pressure (mmHg,kg/㎝2) |
Density (g/㎝3) |
Specific heat (kcal/㎏.℃) |
Heat conductivity coefficient (kcal/m.h.℃) |
Viscosity (C.P.) |
Heat of evaporation (kcal/㎏) |
| -70 | None | 1.063 | 0.321 | 0.125 | 520 | None |
| -50 | None | 1.048 | 0.336 | 0.123 | 92 | None |
| -30 | None | 1.032 | 0.351 | 0.121 | 19 | None |
| -10 | None | 1.017 | 0.336 | 0.119 | 10.3 | 105 |
| 0 | None | 1.002 | 0.373 | 0.117 | 8.63 | 104 |
| 20 | None | 0.994 | 0.388 | 0.115 | 4.16 | 102 |
| 50 | mmHg | 0.971 | 0.410 | 0.112 | 2.12 | 99.0 |
| 100 | 1.3 | 0.933 | 0.447 | 0.105 | 1.05 | 94.1 |
| 200 | 83 | 0.857 | 0.522 | 0.093 | 0.46 | 84.2 |
| 220 | 153 | 0.841 | 0.536 | 0.09 | 0.40 | 82.2 |
| 240 | 267 | 0.825 | 0.551 | 0.087 | 0.35 | 80.2 |
| 260 | 445 | 0.809 | 0.566 | 0.084 | 0.31 | 78.0 |
| 280 | 0(kg/㎝2) | 0.793 | 0.581 | 0.082 | 0.28 | 75.8 |
| 300 | 0.45 | 0.776 | 0.596 | 0.079 | 0.24 | 73.5 |
| 320 | 1.17 | 0.758 | 0.611 | 0.076 | 0.21 | 71.0 |
| 340 | 2.17 | 0.739 | 0.625 | 0.073 | 0.19 | 68.4 |
| 360 | 3.49 | 0.720 | 0.640 | 0.069 | 0.17 | 65.5 |
L-65 is high temperature synthetic heat conducting oil with favorable heat stability, oxidation resistance and low freezing point.
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