The specific gravity of thermal oil is 0.85 kg/dm³.
Understanding Specific Gravity of Thermal Oil
Specific gravity, in the context of thermal oil, refers to the ratio of its density to the density of a reference substance, usually water. Water has a density of approximately 1 kg/dm³.
Key Properties of Thermal Oil
Thermal oils possess several key properties, including:
- Specific Gravity: As stated, is typically 0.85 kg/dm³.
- Viscosity: Varies, usually found in ranges like ISO VG 15, 22, and 32.
- Low Freezing Point: Ensures the fluid remains liquid even in colder environments.
- High Boiling Temperature: Can withstand extremely high temperatures, typically between 400°C and 500°C.
Practical Implications
The specific gravity of thermal oil, along with other properties like viscosity and boiling point, is crucial in several industrial applications.
- Heat Transfer Efficiency: The specific gravity influences how efficiently the oil can transfer heat within a system.
- Pump Selection: Knowing the specific gravity and viscosity is essential for selecting the correct pumps for circulation.
- System Design: These properties must be considered during the design phase to ensure safe and efficient operation of heating systems.
- Safety: The high boiling temperature is vital for safety in high-temperature processes, reducing the risk of vaporization.
Comparative Analysis
| Property | Value | Importance |
|---|---|---|
| Specific Gravity | 0.85 kg/dm³ | Impacts heat transfer and pumping requirements |
| Viscosity | ISO VG 15, 22, 32 | Affects flow rate and pumping efficiency |
| Boiling Point | 400-500°C | Ensures stable performance at high temperatures |
| Freezing Point | Low | Prevents solidification in cold conditions |
