Solar Hot Water Heating > Solar Heating Fluid - ZM-ProSol LH-T - non toxic glycol
Solar Heating Fluid - ZM-ProSol LH-T - non toxic glycol

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Price: $180.00
Availability: in stock
Prod. Code: Pre Mixed ProSol LH-T

Solar Heating Fluid- Pre Mixed ProSol LH-T

 

Special High Temp Solar Heating Fluid for Vacuum tube solar installations. Propylene Glycol 5 Gallons. Premixed reversibly vaporizable special Propylene Glycol-based Heat Transfer Fluid, for solar heating installations.

Modern-day Thermal Solar combo-systems for DHW and Space heating are subject of overheating and stagnation because of low heat demand in summer time. Continuing design improvements of solar collectors sig­nificantly change the requirements to the heat transfer fluids regarding its ability to take thermal stress.

However, stagnation temperatures of up to 400°F (204°C) in flat plate collectors still can be handled by traditionally inhibited solar fluids. In contrast to this, Vacuum Tube collector temperatures of up to 550°F (287°C) as reached in vacuum tube collectors require the use of a more ad­vanced fluid containing reversibly vaporizable cor­rosion inhibitors.

Pre-Mixed Pro Sol– L-HT propylene glycol/water mix 50%/50%, contains a specially designed industrial package of liquid inhibitors.

The Glycol Mix has been designed especially for use as a heat transfer fluid in solar thermal systems operating under elevated thermal conditions (vacuum tube collectors).

In case of stagnation those components evaporate together with propylene glycol and water, the collector remains empty, and no damaging insoluble residues may cause any flow obstruction or blocking.

The corrosion inhibitors contained in ProSol™ L-HT reliably provide protection against acid corrosion, scale and sedimentation formation in systems with materials normally used in solar thermal installations.

 

 

Physical Properties:

Appearance
  Clear, fluorescent yellow colored liquid
Density 22°C (72°F)
  1055.40 kg/m³ (65.88  lb/ft³)
Refractive index 22°C (72°F)
  1.3903
pH value
  9.0-10.7
Reserve Alkalinity (min)
  16.0 ml
Viscosity 10°C (50°F)
  10.6481mPa·s (10.65 cps)
Boiling point     °C @ 101 kPa 
  106
(°F@ 760 mmHg)
  222
Flash point 
  none
Water content 
  46 – 50 %
Frost protection °C /°F
  -35 / -3

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