Globaltherm® Q (-35°C to 330°C)
A high-performance synthetic organic heat transfer fluid
Operating Range
-35°C to 330°C
-31°F to 626°F
About Globaltherm® Q
Formulated with a precise blend of diphenylethane and alkylated aromatics, Globaltherm® Q is a high performance heat transfer fluid offering a remarkable temperature operating range. This versatility makes it an ideal choice for heat transfer systems requiring both low-temperature pumpability and high-temperature stability.
This synthetic organic heat transfer fluid is meticulously engineered to meet the rigorous demands of diverse industrial applications, offering unparalleled thermal stability, exceptional heat transfer efficiency and consistent performance across a broad temperature spectrum.
Why choose Globaltherm® Q?
Wide temperature range: Operating seamlessly from -35°C to 330°C (-30°F to 625°F), Globaltherm® Q is perfect for systems that require both low-temperature pumpability and high-temperature resilience.
Low-pressure operation: Designed to minimise system wear and tear, Globaltherm® Q’s low-pressure capabilities extend the lifespan of your equipment and the fluid itself, reducing maintenance costs and downtime.
Thermal stability: With outstanding thermal stability, Globaltherm® Q excels in high-demand environments, ensuring reliable performance even under challenging conditions.
Cost-effective: Thanks to its long fluid life and reduced maintenance needs, Globaltherm® Q provides a cost-effective solution for industries seeking efficiency and reliability.
Contact us today to find out more about Globaltherm® Q
Versatile applications
Globaltherm® Q is ideal for a variety of industries, including pharmaceuticals, oil and gas, plastics processing, chemical processing, solar energy, heat recovery and environmental test chambers. Its unique formulation ensures precise temperature control and consistent heating, making it indispensable for processes that demand uniform temperature distribution and reliable thermal management.
Heat transfer fluids are tailored for diverse applications, including indirect heating, cooling and thermal storage. To select the optimal thermal fluid, consider key properties like thermal stability, temperature range and heat transfer efficiency.
Check out our full list of thermal fluid applications here.
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| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Appearance visual | N/A | N/A | Clear to light yellow |
| Operating Range | °C / ºF | N/A | -35°C to 330°C (-30°F to 625°F) |
| Atmospheric reflux boiling point | mg KOH/g | 267°C (513°F) | |
| Flash Point Closed Cup | 120°C (249°F) | ||
| Fire Point COC | ASTM D92 | 124°C (255°F) | |
| Auto ignition temperature | °C/°F | 190°C (375°F) | |
| Film Coefficient @550°F | W/m²K (Btu/hr. ft.2°F) | 295 / 563 | |
| Upper Flammability Limit, 5.5% Vol % in air | °C/°F | 190°C (375°F) | |
| Lower Flammability Limit 0.55% Vol % in air | °C/°F | 135°F (275°F) | |
| Estimated Critical Temperature | °C/°F | 489°C (912°F) | |
| Estimated Critical Pressure | bar / atm | 24 / 23.7 | |
| Estimated Critical Volume | L/kg / ft.3/lb | 3.258 / 0.0522 | |
| Molecular Weight (average) | 190 |
| Parameter | Unit | Code (ASTM / ISO) | Result |
|---|---|---|---|
| Appearance visual | N/A | N/A | Clear to light yellow |
| Operating Range | °C / ºF | N/A | -35°C to 330°C (-30°F to 625°F) |
| Atmospheric reflux boiling point | mg KOH/g | 267°C (513°F) | |
| Flash Point Closed Cup | 120°C (249°F) | ||
| Fire Point COC | ASTM D92 | 124°C (255°F) | |
| Auto ignition temperature | °C/°F | 190°C (375°F) | |
| Film Coefficient @550°F | W/m²K (Btu/hr. ft.2°F) | 295 / 563 | |
| Upper Flammability Limit, 5.5% Vol % in air | °C/°F | 190°C (375°F) | |
| Lower Flammability Limit 0.55% Vol % in air | °C/°F | 135°F (275°F) | |
| Estimated Critical Temperature | °C/°F | 489°C (912°F) | |
| Estimated Critical Pressure | bar / atm | 24 / 23.7 | |
| Estimated Critical Volume | L/kg / ft.3/lb | 3.258 / 0.0522 | |
| Molecular Weight (average) | 190 |
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| Product | Bulk | 199.58kg barrel |
| Globaltherm® Q (-35°C to 330°C) |
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Contact us for more information on high performance heat transfer fluids
With numerous options available, choosing the right heat transfer fluid for your application can be challenging. Our experts can offer advice on how to extend fluid lifespan and we provide our business partners with continued technical support.
If Globaltherm® Q isn’t right for you, check out our full range of heat transfer fluids here.
Call us on +44 (0)1785 760555 for more information.
