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Mineral conduction oil: JD-320
JD-320 type high-temperature heat conducting oil Appearance: colorless to light yellow oily liquid Molecular weight and structure formula: 400-600 alkane series mineral heat conducting oil
Features: 1. Excellent heat stabilizer, it can be used at 320℃ 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 | Front fraction310℃ | Density 20℃ | Moisture | Carbon residue % | Freezing point ℃ | Maximum service temperature (membrane temperature) |
| Index | ≥190 ℃ | 23-34 mm2/s |
≤0.05 mgKOH/g |
≤2% | 838--868 Kg/m3 |
≤trace | ≤0.02 | ≮-15 | ≯320℃ |
Thermodynamic index
| Temperature/item | 50℃ | 100℃ | 150℃ | 200℃ | 250℃ | 300℃ |
| Kinematic viscosity mm2/s | 28±5 | 5.5±2 | 3±1.5 | 1.5±1 | 1.2±1 | 1±1 |
| Specific heat Kcal/Kg.℃ | 0.47 | 0.53 | 0.6 | 0.69 | 0.79 | 0.9 |
| Heat conductivity coefficient W/M.℃ | 0.13 | 0.12 | 0.115 | 0.11 | 0.102 | 0.095 |
| Expansion factor 1/℃*10-4 | 6.3 | 6.5 | 6.65 | 6.83 | 7.07 | 7.33 |
Note: All above is only for reference and 10% error should be considered.
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