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Caldera 4 is a high-quality, environmentally-friendly heat transfer fluid designed for systems that require a fluid with stability up to 600°F (315°C). The combination of carefully chosen base fluids and additives provides excellent resistance to oxidation and thermal degradation. With improved thermal capacity and conductivity, Caldera 4 can increase system performance by enhancing the heat transfer capability.

Product Type: Heat Transfer Fluid

Features: Consistent High Quality, Excellent Temperature Control, High Thermo-Oxidative Stability, Improved Heat Transfer Efficiency, Low Odor, Low Volatility, Service Life Extension, Varnish Build-up Prevention

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Heat Transfer Fluid Type

Features & Benefits

Performance Advantages
  • Resistant against fluid degradations - Contributes to extended fluid life.
  • Low varnishing tendencies - Allows for clean operation and greater thermal transfer efficiency
  • Low volatility - Improves safety and decreases possibility of pump cavitations
  • Easy disposal - Can be disposed using mineral oil recycling sevices
  • Excellent temperature control
  • Minimal odor

Applications & Uses

Markets
Applications
  • Closed and open loop system with a maximum bulk temperature of 600°F (315°C)

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Minimum Temperature28 (-2)°F (°C)-
Maximum Film Temperature649 (343)°F (°C)-
Maximum Bulk Temperature600 (315)°F (°C)-
Pour Point1.4 (-17)°F (°C)-
Flash Point437 (225)°F (°C)-
Fire Point464 (240)°F (°C)-
Autoignition Point680 (360)°F (°C)-
Thermal Expansion Coefficient0.1012%/°C-
Thermal Conductivity ( 38°C)0.138W/m-K-
Thermal Conductivity ( 260°C)0.125W/m-K-
Heat Capacity ( 38°C)1.928kJ/kg-K-
Heat Capacity ( 260°C)2.638kJ/kg-K-
Distillation Range (10%)374.0 °CASTM D2887
Distillation Range (90%)481.0--
Average Molecular Weight394.0--