• Dielectric heat transfer fluid dedicated to 1-phase and 2-phase immersion and direct cooling systems
  • Colorless, clear liquid with >99% purity
  • Non-flammable with no flash point, and non-toxic with no EUH-phrase hazard classifications or storage hazards
  • Very low Global Warming Potential (GWP of 61) and zero ozone depletion potential (ODP)
  • Greenway sustainable product
  • Very low pour point (-138°C/-216°F) and low kinematic viscosity (0.43 cSt @20°C) to reduce pump strain
  • Dielectric strength over 25 kV and resistivity of 1.00E+08 Ohm-cm, allowing equipment to run under power while fully submerged
  • Excellent thermal conductivity (0.069 W/m-K) and optimal surface tension (13.6 dynes/cm²) for superior heat transfer
  • Excellent compatibility with metals, plastics, and elastomers, with strong chemical stability
  • Recyclable through the ECOPROGRAM service, supporting sustainability goals
  • Suitable for single-phase and two-phase immersion cooling, cold plate/tube direct cooling, dielectric testing, and specialized manufacturing cooling applications

Technical Specifications

Specification Value
Appearance Colorless, Clear
Purity >99%
Flash Point None
Boiling Point 76°C / 169°F
Pour Point -138°C / -216°F
Critical Temperature 210°C / 410°F
Critical Pressure 2.01 MPa
Vapor Pressure (@20°C) 16 kPa
Heat of Vaporization (@BP) 119 kJ/kg
Liquid Density (@20°C) 1430 kg/m³
Kinematic Viscosity (@20°C) 0.43 cSt
Specific Heat (@25°C) 1220 J/kg-K
Surface Tension 13.6 dynes/cm²
Thermal Conductivity 0.069 W/m-K
Water Content Spec 100 ppm
Water Solubility in Fluid 92 ppm (weight)
Dielectric Strength >25 kV
Dielectric Constant (@1kHz) 7.3
Resistivity 1.00E+08 Ohm-cm
Ozone Depletion Potential (ODP) None
Global Warming Potential (GWP) 61

Thermasolv IM7

In Stock

Thermasolv IM7 is a dielectric heat transfer fluid designed for both single-phase and two-phase immersion and direct cooling systems, allowing electronics to operate safely while submerged and under power. With a boiling point of 76°C, dielectric strength over 25 kV, and a very low GWP of 61, Thermasolv IM7 delivers superior heat transfer through optimal viscosity, density, and surface tension characteristics. Its non-flammable, non-toxic, chemically stable formulation makes Thermasolv IM7 a versatile, sustainable choice for immersion and direct cooling applications.

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