Globaltherm® DT (-30°C – 330°C)
High Performance Organic Synthetic Thermal Fluid
Operating Range
-30°C to 330°C
-22°F to 626°F
Flash Point
135°C
(275°F)
Application
A popular organic high temperature, synthetic heat transfer fluid. Suitable for operation up to 330°C (626°F) and can pumped to -30°C (22°F) and delivers exceptional performance. Primary applications are plastic manufacturing and textile auxiliaries, in addition to dyestuffs, paint and polymerisation.
About Globaltherm® DT
Globaltherm® DT is a high-boiling, organic heat transfer fluid with a low viscosity and excellent thermal stability for cooling and heating in liquid applications (under N₂ pressure).
Globaltherm® DT is a heat transfer fluid of choice in systems all over the world and delivers ultimate performance to ensure your system is running at maximum capacity and optimum efficiency.
The excellent pumpability (-30°C [-22°F]) of Globaltherm® DT allows heat transfer systems to start up quickly and easily.
Globaltherm® DT is a cost effective organic heat transfer fluid of consitent composition for temperature range up to 330°C (626°F).
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| Parameter | Unit | Code (ASTM/DIN/ISO) | Result |
|---|---|---|---|
| Appearance | NTR | NTR | Clear, pale yellow liquid |
| Assay sum ditolylether | % | GC | min. 97.5 |
| Water content | mg/kg | Karl Fischer | max. 200 |
| Parameter | Unit | Code (ASTM/DIN/ISO) | Result |
|---|---|---|---|
| Appearance | NTR | NTR | Clear, pale yellow liquid |
| Assay sum ditolylether | % | GC | min. 97.5 |
| Water content | mg/kg | Karl Fischer | max. 200 |
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| Parameter | Unit | Code (ASTM/DIN/ISO) | Result |
|---|---|---|---|
| Range of application | °C | NTR | -30 to 330 |
| Kinematic viscosity (20°C) | mm²/s | DIN 51562-1 | 6.3 |
| Density (20°C) | kg/m³ | DIN 51757 | 1035 |
| Pour point | °C | DIN ISO 3016 | -54 |
| Neutralisation Nr (acid), TAN | mg KOH/g | DIN 51558 part 1 | 0.01 |
| Maximum film temperature | °C | NTR | 340 |
| Boiling range (at 1.013 bar) | °C | NTR | 284 - 294 |
| Flash point | °C | ISO 2719 | 135 |
| Autoignition temperature | °C | DIN 51794 | 545 |
| Lower exlosion limit (132°C) | volume-% | NTR | 0.8 |
| Upper explosion limit (206°C) | volume-% | NTR | 14.5 |
| Solubility in water (at 20°C) | mg/l | Quentin method | 4.0 |
| Surface tension (at 20°C) | mN/m | OECD ring method | 37 |
| Thermal conductivity | W/m·K | NTR | 0.134 |
| Mean specific heat (20°C) | KJ/kg·K | NTR | 1.58 |
| Parameter | Unit | Code (ASTM/DIN/ISO) | Result |
|---|---|---|---|
| Range of application | °C | NTR | -30 to 330 |
| Kinematic viscosity (20°C) | mm²/s | DIN 51562-1 | 6.3 |
| Density (20°C) | kg/m³ | DIN 51757 | 1035 |
| Pour point | °C | DIN ISO 3016 | -54 |
| Neutralisation Nr (acid), TAN | mg KOH/g | DIN 51558 part 1 | 0.01 |
| Maximum film temperature | °C | NTR | 340 |
| Boiling range (at 1.013 bar) | °C | NTR | 284 - 294 |
| Flash point | °C | ISO 2719 | 135 |
| Autoignition temperature | °C | DIN 51794 | 545 |
| Lower exlosion limit (132°C) | volume-% | NTR | 0.8 |
| Upper explosion limit (206°C) | volume-% | NTR | 14.5 |
| Solubility in water (at 20°C) | mg/l | Quentin method | 4.0 |
| Surface tension (at 20°C) | mN/m | OECD ring method | 37 |
| Thermal conductivity | W/m·K | NTR | 0.134 |
| Mean specific heat (20°C) | KJ/kg·K | NTR | 1.58 |
Note: The information given in the typical data does not constitute a specification but is an indication based on current production and can be affected by allowable production tolerances. The right to make modifications is reserved. This edition supersedes all previous editions and information contained within them. Typical values should not be construed as a guaranteed analysis of any specific lot or as specifications for the product. Abbreviations: OC, open cup test; COC, Cleveland open cup test; and, NTR, no test reported.
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| Product | 1000kg IBC | 220kg drum |
| Globaltherm® DT (-30°C – 330°C) |
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Contact us for more information on high temperature synthetic thermal oils
We provide advice on how to choose the most appropriate thermal fluid for your heat transfer applications and provide our customers with continued technical support.
Call us on +44 (0)1785 760555 for more information
