Globaltherm® 55 (-28 °C to 290 °C)
Moderate temperature synthetic heat transfer fluid
Operating Range
-28°C to 290°C
-18°F to 554°F
Application
Globaltherm® 55 is a synthetic heat transfer fluid designed for use in moderate temperature, non-pressurised or low pressure indirect heating systems.
The thermal fluid is designed to provide reliable, consistent heat transfer performance over a long time in a range of applications at recommended bulk temperatures of up to 290 °C (554 °F). Globaltherm® 55 is recommended for use in industrial applications such as asphalt (bitumen), biomass, cement, gas to liquid, oil & gas, production of bio alcohol and biodiesel, hot mix asphalt, natural gas purification, polymer and plastic and waste heat recovery.
About Globaltherm® 55
Globaltherm® 55 is a synthetic thermal fluid with excellent pumpability (-28 °C [-18.4 °F]), when compared to other heat transfer fluids, allowing the heat transfer system to start up quickly and easily.
Globaltherm® 55 is used for applications operating from -28 °C (-18.4 °F) to 290 °C (554 °F). It’s broad temperature range means it can be used for both heating and cooling.
Globaltherm® 55 can offer long life, reliable, cost-effective performance continuously at 290 °C (554 °F) if required by the application, meaning customers don’t need to over specify their fluids.
The fluid is designed to be resistant to oxidation and help manufacturers to extend fluid lifespan.
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| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Appearance | N/A | N/A | Clear, yellow liquid |
| Operating Range | °C (°F) | N/A | -26 to 290 (-15 to 550) |
| Density @ 25°C | kg/m³ | ASTM D4052 | 868 |
| Kin. Viscosity 40°C | mm²/s (cSt) | ASTM D445 | 19 |
| Kin. Viscosity 100°C | mm²/s (cSt) | ASTM D445 | 3.5 |
| Flash Point PMC | °C | ASTM D92 | 177 |
| Coefficient of thermal expanision 200°C | °C | NTR | 0.000961/°C |
| Autoignition Point | °C | ASTM E659 | 343 |
| Pour Point | °C | ISO 3016 | -54 |
| Neutralisation Nr (acid), TAN | mgKOH/g | ASTM D974 | <0.05 |
| Maximum Bulk Temperature | °C | NTR | 290 |
| Maximum Film Temperature | °C | NTR | 335 |
| Boiling point at 1013 mbar | NTR | NTR | 351 |
| Average Molecular Weight | NTR | NTR | 320 |
| Moisture Content | PPM | ASTM D6304 | 250 |
| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Appearance | N/A | N/A | Clear, yellow liquid |
| Operating Range | °C (°F) | N/A | -26 to 290 (-15 to 550) |
| Density @ 25°C | kg/m³ | ASTM D4052 | 868 |
| Kin. Viscosity 40°C | mm²/s (cSt) | ASTM D445 | 19 |
| Kin. Viscosity 100°C | mm²/s (cSt) | ASTM D445 | 3.5 |
| Flash Point PMC | °C | ASTM D92 | 177 |
| Coefficient of thermal expanision 200°C | °C | NTR | 0.000961/°C |
| Autoignition Point | °C | ASTM E659 | 343 |
| Pour Point | °C | ISO 3016 | -54 |
| Neutralisation Nr (acid), TAN | mgKOH/g | ASTM D974 | <0.05 |
| Maximum Bulk Temperature | °C | NTR | 290 |
| Maximum Film Temperature | °C | NTR | 335 |
| Boiling point at 1013 mbar | NTR | NTR | 351 |
| Average Molecular Weight | NTR | NTR | 320 |
| Moisture Content | PPM | ASTM D6304 | 250 |
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| Product | 200kg barrel | Bulk | 1050 Litre IBC | 25kg bag |
| Globaltherm® 55 (-28 °C to 290 °C) |
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Contact us for more information on synthetic heat transfer fluids.
Global Heat Transfer provides advice on how to extend fluid lifespan and provide business partners with continued technical support.
Call us on +44 (0)1785 760555 for more information.
