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Thermaflo® A is a high performance synthetic heat transfer fluid designed to meet the demands of liquid or vapor phase systems and indirect heat transfer. Operating temperature is 12°C to 400°C (54°F to 750°F) for liquid phase systems, 257°C to 400°C (495°F to 750°F) for vapor phase systems.

Product Type: Heat Transfer Fluid

Features: Good Thermal Stability, High Temperature Performance, Low Viscosity

Chemical Family: Mixtures & Blends

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Identification & Functionality

Base Oil Type
Chemical Family
Heat Transfer Fluid Type
Composition
Aromatic mixture

Features & Benefits

Features
  • Thermaflo® A combines low viscosity and exceptional thermal stability for consistent performance. The homogenous mixture of diphenyl oxide and biphenyl gives this heat transfer fluid flexibility to perform in both vapor and liquid phases. It is miscible and interchangeable with other similar high temperature thermal fluids.
  • Thermaflo® A has low viscosity – 12°C (54°F) and may require tracing in colder climates because of its crystallization point.

Applications & Uses

Markets

Properties

Physical Form
Appearance
Colorless to Pale Yellow
Typical Properties
ValueUnitsTest Method / Conditions
Autoignition Temperature1.11°FASTM D-2155
Average Molecular Mass166.0--
Boiling Range (760 mmHg)491 - 500°F-
Bulk Temperature Range60 - 750°F-
Density (20°C)8.82Ibs/gal-
Flash Point235.0°F-
Freeze Point54.0°F-
Kinematic Viscosity (40°C, Cs)2.5°F-
Kinematic Viscosity (100°C, Cs)0.92°F-
Maximum Film Temperature800.0°F-
Moisture Contentmax. 200ppm-
Specific Gravity (20°C)1.056--
Thermal Conductivity0.053--
Total Acid Numbermax. 0.05mg KOH/g-
Vapor Pressure45.0°F-