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Mineral conduction oil: JD-340
JD-340 type high-temperature heat conducting oil
Appearance: colorless or light yellow oily liquid
Molecular weight and structure formula: 450-650 alkane series mineral heat conducting oil
Features
1. Excellent heat stabilizer, it can be used at 340℃ for long term.
2. Non-toxic, no odor, non-corrosive to ferrous and non-ferrous metal
3. High initial distilling point, high flash point.
4. Good heat stability, long service, nitrogen protection is not required.
5. Good energy-saving effect.
6. Operation at normal pressure, easy to use, safe and reliable.
Physical and chemical index
| Item | Flash point (open) | Kinematic viscosity 40℃ | Acid value | Density 20℃ | Moisture | Carbon residue % | Freezing point ℃ | Maximum service temperature (membrane temperature) |
| Index | ≥185 ℃ | 22-33 mm2/s | ≤0.05 mgKOH/g | 838--868 Kg/m3 | ≤trace | ≤0.01 | ≮-15 | ≯340℃ |
Thermodynamic index
| Temperature/item | 50℃ | 100℃ | 150℃ | 200℃ | 250℃ | 300℃ |
| Kinematic viscosity mm2/s | 16-22 | 5.22 | 3.15 | 1.54 | 1.38 | 0.98 |
| Specific heatKcal/Kg.℃ | 0.48 | 0.53 | 0.61 | 0.69 | 0.79 | 0.89 |
| Heat conductivity coefficient W/M.℃ | 0.128 | 0.12 | 0.115 | 0.111 | 0.102 | 0.095 |
| Expansion factor 1/℃*10-4 | 6.21 | 6.43 | 6.63 | 6.85 | 7.09 | 7.35 |
Note: All above is only for reference and 10% error should be considered.
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