Therminol D-12 Coolant
Heat Transfer Fluid
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View MSDS
Product Bulletin
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Therminol D-12 is a synthetic liquid phase heat transfer fluid with excellent heat transfer properties over a wide temperature range. This fluid is ideally suited for applications requiring efficient cooling and heating between -50° F and 450° F (-45° C - 230° C). Performance features of Therminol D-12 include:
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- Heating or Cooling Operation - Therminol D-12 is ideally suited for combination heating and cooling applications and delivers excellent heat transfer rates even at -50° F (-45° C). Batch processes will benefit from the excellent cooling performance Therminol D-12 delivers. Therminol D-12 also may be used as a secondary coolant or "brine" in refrigeration loops where a broad range of properties is desired.
- Easy Operation - Using Therminol D-12 avoids problems of using multiple fluids in the same piece of equipment.
- Low Cost - Therminol D-12 delivers better thermal performance at lower cost than competing fluids.
- Low Odor and Excellent Toxicity Profile - Therminol D-12 is especially suited to applications where a low odor and low toxicity are desired. Therminol D-12 is an FDA recognized fluid and has excellent industrial hygiene properties. This product meets the requirements established by the FDA at 21 CFR 172.882, 172.884, 178.3530, and 178.3650.
Therminol D-12 is used in a wide variety of industries, such as:
- Plastics/molding
- Pharmaceuticals
- Specialty Chemicals
- Environmental Test Chambers
For more information on Therminol D-12 systems and applications
e-mail us or contact the Therminol Technical Service Hotline at 1-800-433-6997.
Click here to download the product bulletin containing detailed physical and transport properties for Therminol D12.
Therminol® D-12
Heat Transfer Fluid
Operating Range -85°C to 230°C (-120°F to 450°F)
| Appearance |
Clear, water-white
liquid |
| Composition |
Synthetic hydrocarbons |
| Color (ASTM D-156) |
30 |
| Moisture Content,
Maximum |
80 ppm |
| Flash Point (Pensky-Martens) |
59°C (138°F) |
| Fire Point (ASTM D-92) |
71°C (160°F) |
| Autoignition Temperature (ASTM
E-659) |
247°C (477°F) |
| Kinematic Viscosity, at -50°C |
14.8 cSt |
| Kinematic Viscosity, at 40°C |
1.23 cSt |
| Kinematic Viscosity, at 100°C |
0.65 cSt |
| Density at 25°C |
756 kg/m3 (6.31 lb/gal) |
| Specific Gravity (60°F/60°F) |
0.763 |
| Coefficient of Thermal Expansion at 100°C |
0.001116/°C (0.00062/°F) |
| Average Molecular Weight |
162 |
| Pour Point |
<-100°C (-148°F) |
| Pumpability, at 2000 mm2/s (cSt) |
-94°C (-137°F) |
| Pumpability, at 300 mm2/s (cSt) |
-82°C (-116°F) |
| Minimum Temperatures for |
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Fully Developed Turbulent Flow (Re = 10000)
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10 ft/sec, 1-in tube
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-37°C (-35°F) |
20 ft/sec, 1-in tube
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-51°C (-59°F) |
Transition Region Flow (Re=2000)
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10 ft/sec, 1-in tube
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-64°C (-82°F) |
20 ft/sec, 1-in tube
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-71°C (-96°F) |
| Normal Boiling Point |
192°C (378°F) |
Heat of Vaporization at Maximum
Use Temperature 230°C (450° F) |
198 KJ/kg (85.2 Btu/lb) |
| Optimum Use Range |
-45°C to 230°C
(-50°F to 450°F) |
| Maximum Film Temperature |
245°C (475°F) |
| Pseudocritical Temperature |
360°C (680°F) |
| Pseudocritical Pressure |
16.2 bar (235 psia) |
| Pseudocritical Density |
229 kg/m3 (14.1 lb/ft3) |
NOTICE: Although the information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed to be correct as of the date hereof, Solutia makes no representations or warranties as to the completeness or accuracy thereof. Information is supplied upon the condition that the persons receiving same will make their own determination as to its suitability for their purposes prior to use. In no event will Solutia be responsible for damages of any nature whatsoever resulting from the use of or reliance upon Information or the product to which Information refers. Nothing contained herein is to be construed as a recommendation to use any product, process, equipment or formulation in conflict with any patent, and Solutia makes no representation or warranty, express or implied, that the use thereof will not infringe any patent.
NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED, OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OF ANY OTHER NATURE ARE MADE HEREUNDER WITH RESPECT TO INFORMATION OR THE PRODUCT TO WHICH INFORMATION REFERS.
Therminol® is a registered trademark of Solutia Inc.
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