Castrol Perfecto HT 5
Castrol Perfecto™ HT 5 is based on a high viscosity index mineral oil specially selected for its high thermal and oxidation stability.
Application
Perfecto HT 5 is primarily intended for use in closed heat transfer systems with bulk temperatures up to 300°C and a maximum film temperature of 340°C. It can also be used in open systems at much lower bulk oil temperatures. Perfecto HT 5, because of its solvency and high thermal stability, also serves as an excellent flushing oil.
Perfecto HT 5 is classified as follows: DIN 51522; ISO 6743-12 Family Q; GB 23791 - L-QB 300.
Advantages
| •Tightly controlled specification helps minimise deposits in heat exchangers in order to maintain heat transfer efficiency |
| •High operating temperature capability in closed systems with temperatures up to 300°C permitted |
Typical Characteristics
| Appearance | Clear & Bright | Visual |
| Density @ 15°C / 59°F | 868 kg/m³ | ISO 12185 / ASTM D 4052 |
| Kinematic Viscosity @ 40°C / 104°F | 30.5 mm²/s | ISO 3104 / ASTM D445 |
| Kinematic Viscosity @ 100°C / 212°F | 53 mm²/s | ISO 3104 / ASTM D445 |
| Viscosity Index | 106 | ISO 2909 / ASTM D2270 |
| Pour Point | -9°C / 16°F | ISO 3016 / ASTM D97 |
| Flash Point - closed cup method | 210°C / 410°F | ISO 2719 / ASTM D93 |
| Flash Point - open cup method | 220°C / 428°F | ISO 2592 / ASTM D92 |
| Fire Point | 249°C / 480°F | ISO 2592 / D92 |
| Specific Heat Capacity @ 15°C / 59°F | 1.86 kJ/kg °C | ASTM D2766 |
| Thermal Conductivity @ 15°C / 59°F | 0.133 W/m°C | ASTM D2717 |
| Distillation Range Initial Boiling Point | 343°C / 649°F | - |
| Distillation Range 10% distilled at | 390°C / 734°F | - |
| Distillation Range 90% distilled at | 454°C / 849°F | - |
| Co-efficient of Thermal Expansion | 0.00077 | ASTM D1903 |
| Maximum Oil Film Temperature | 340°C / 644°F | - |
Data Sheet Date: 29 Jan 2025
The information contained in this data sheet is based on data considered to be accurate. No warranty is expressed or implied regarding the accuracy of this data. Product specifications and availability are subject to change without notice. Lube Control Pty Ltd accepts no responsibility for any loss or damage arising from the use of this information.
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Technical Documents
Perfecto HT 5 - TDS
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Product details and specifications are for reference only and subject to change without notice. Customers must independently verify all technical data and OEM approvals directly with the manufacturer prior to purchase. We accept no liability for any errors, omissions, or damages arising from reliance on this information.