Heat transfer fluid Analysis service
FRAGOL offers a comprehensive analysis service for heat transfer fluids. We pay particular attention to the assessment and evaluation of the analysis results.
The following tests are offered:
- Synthetic heat transfer fluids according to DIN 51529
- Mineral oil-based heat transfer fluids according to DIN 51529
- Determining the proportion of silicone oil in the thermal oil for biomass heating plants with ORC circuit.
- Special analytics
FRAGOL will provide suitable sample bottles if necessary.

Downloads
Sample information form
Please note that samples can only be analysed and evaluated if we have received a fully completed sample information form and the sample has been taken correctly.
Download the required form here:
Sample information form HTF in English
Sample extraction guideline in English
Please complete the form and enclose a printed copy with the sample. Please also send the form as a PDF file to the following email address: proben-htffragol.de
Please send the sample you have taken to:
FTS FRAGOL Technical Services
c/o August Gähringer GmbH & Co. KG
Königgrätzer Str. 14-34
47053 Duisburg