Product Description

Thermaflo® Q is a reutilized synthetic heat transfer fluid formulated from a blend of diphenylethane and alkylated aromatics. Engineered as a high-performance replacement for conventional mineral-based hot oils, this fluid delivers superior thermal stability at elevated temperatures while maintaining exceptional flowability in cold conditions. Its balanced formulation makes it particularly well-suited for non-pressurized and low-pressure indirect heating systems where consistent, uniform process heat is essential.

  • Enhanced Thermal Stability: Outperforms traditional hot oils at temperatures above 260°C (500°F), reducing thermal degradation and extending service intervals.
  • Superior Cold-Weather Performance: Maintains pumpability down to -45°C (-50°F), eliminating cold start-up concerns common with mineral oils.
  • Improved Heat Transfer Efficiency: Low viscosity throughout the operating range delivers higher film coefficients than conventional hot oils, enabling more compact system designs.
  • System Compatibility: Non-corrosive to common metals and alloys used in heat transfer equipment construction.

Applications

Oil & Gas Refining

Asphalt Processing

Polymer Manufacturing (Polystyrene, Polyethylene)

LNG Processing

Offshore Platforms

Chemical Processing

Heat Recovery Systems

Topping Units

Pharmaceutical Manufacturing

Indirect Heating Systems

Biodiesel Production

Benefits

Extended Fluid Life

Excellent Heat Transfer Efficiency

Reduced Pump & Exchanger Size Requirements

Wide Operating Temperature Range

Non-Corrosive Formulation

Cost-Effective Reutilized Solution

Product Availability

5 Gal (20 kg)

55 Gal Drum (220 kg)

Bulk (Totes / Tankers)

Product Data

PropertySpecification
AppearanceColorless to Pale Yellow
CompositionDiisopropyl Biphenyl
Moisture Content (ppm)<200
Flash Point, COC340°F (171°C)
Autoignition Temperature (ASTM D-2155)783°F (417°C)
Kinematic Viscosity @ 40°C (cSt)11
Kinematic Viscosity @ 100°C (cSt)2.4
Density @ 20°C (lbs/gal)7.94
Specific Gravity @ 20°C0.952
Freeze Point<14°F (<-10°C)
Pumpability Limit (KV=400 cSt)14°F (-10°C)
Boiling Range @ 760 mmHg606°F–630°F (319°C–332°C)
Bulk Temperature Range-4°F–626°F (-20°C–330°C)
Maximum Film Temperature680°F (360°C)
Total Acid Number (Max)<0.05 mg KOH/g
Thermal Conductivity (@ 600°F / 316°C)0.053 BTU/ft/hr
Vapor Pressure (@ 600°F / 316°C)10 psi
Average Molecular Mass252

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