The data in the Dowcal100E media is taken from https://www.dow.com/en-us/market/mkt-building-construction/sub-build-heating-cooling-refrigeration/heat-transfer-fluid-selection-calculator.html in Jan 2024.
"An ethylene glycol-based heat transfer fluid used in various
industrial applications, highly recommended for heating
applications"
Density

Heat capacity

Dynamic viscosity (about half of Dowcal100)

Thermal conductivity
