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ESSELTHERM 45 Heat Transfer Fluid (450°F)
ESSELTHERM 45 Heat Transfer Fluid (450°F)
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A cost-effective, thermally stable heat transfer fluid rated to 233°C (450°F) for systems that run both heating and cooling cycles. It stays pumpable down to -45°C (-49°F) and is a lower-cost alternative to synthetic and aromatic fluids.
Used in batch reactors and jacketed vessels, plastics and rubber processing, chemical and pharmaceutical process heating and cooling, and outdoor thermal-fluid systems.
Available to order from SDI Chemicals. Technical data sheet, SDS and compliance documentation are provided on request; freight and lead time are quoted to your destination, with flexible order quantities. Request a quote with your system volume and delivery ZIP.
Key features
- Maximum operating temperature 233°C (450°F) with effective cooling performance
- Remains pumpable down to -45°C (-49°F)
- Precise control in both heating and cooling processes
- Less expensive than synthetic and aromatic fluids
- Dual-stage antioxidant system for oxidation resistance
Specifications
Temperature ratings
| Max bulk / use temperature | 450°F |
| Max film temperature | 490°F |
| Pour point, ASTM D445 | -49°F |
Safety data
| Flash point, ASTM D92 | 302°F |
| Fire point, ASTM D92 | 327°F |
| Autoignition, ASTM E-659-78 | 625°F |
Thermal properties
| Thermal expansion coefficient | 0.0564 %/°F |
| Thermal conductivity, 0°F / 100°F / 250°F / 450°F | 0.078 / 0.076 / 0.071 / 0.066 BTU/hr·ft·°F |
| Heat capacity, 0°F / 100°F / 250°F / 450°F | 0.504 / 0.549 / 0.617 / 0.707 BTU/lb·°F |
Physical properties
| Viscosity, ASTM D445, 40°F | 33.02 cSt |
| Density, ASTM D1298, 0°F / 100°F / 250°F / 450°F | 53.6 / 51.4 / 48.0 / 43.4 lb/ft³ |
| Vapor pressure, ASTM D2879, 0°F / 100°F / 250°F / 450°F | 0 / 0 / 0.07 / 2.28 psia |
| Distillation range, ASTM D2887, 10% / 90% | 505°F / 947°F |
| Molecular weight | 372 |
- Brand: ESSELTHERM (distributed by SDI Chemicals)
- Product code: ESSELTHERM 45
- Pack size: drums and totes standard; pails and bulk tankers quoted on request
- Documentation: TDS / SDS available on request
