Solar antifreeze / heat transfer fluid

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Navitron Renewable Energy and Sustainability Forum > SOLAR THERMAL > Solar Thermal Systems > Solar antifreeze / heat transfer fluid

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Topic: Solar antifreeze / heat transfer fluid (Read 520 times)

BruceB

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Posts: 621

MCS certified for Solar PV & thermal, GSHP & ASHP

Solar antifreeze / heat transfer fluid

« on: October 22, 2011, 04:58:22 PM »

Has anyone got a datasheet for the solar heat transfer fluid Navitron sells?

I am looking for a table of density and/or refractive index against temperature protection. The only datasheet I can see in the downloads area does not have that information. The instructions for the evacuated tubes say use 40% concentration but do not say what level of protection against freezing that gives. To do a MCS compliant installation I have to declare the level of protection.

Alternatively does anyone know what product it is Navitron puts their label on?

Regards
Bruce