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90 view(s) Q. How do we identify which type of glycol we have in our HVAC system?
A. Yes it is possible to differentiate between ethylene glycol and propylene glycol using both refractive index and specific gravity.
You will need:
Digital refractometer for glycol, hydrometer 1.000-1.500 with subdivisons 0.005, hydrometer jar 300x50mm
[caption id="attachment_12965" align="alignleft" width="321"] Digital refractometer for glycol[/caption]
The key to differentiate the tw...
