Antifreeze / Glycol
Terra Gelu Heat Transfer Fluid „N“
The conventional geothermal brine medium for industrial plants is a clear, viscous liquid. Terra Gelu Heat Transfer Fluid "N" is free from nitrite, borax and CMR (carcinogenic, mutagenic and reprotoxic).
Mixing chart in volume percent:
| Frost protection: | Water: | Terra Gelu N: |
|---|---|---|
| -10 °C | 79 | 21 |
| -20 °C | 65 | 35 |
| -30 °C | 56 | 44 |



