PG HD LEED
HEAT TRANSFER FLUID

A ready-to-use virgin bio-based propylene glycol heat transfer fluid containing a specially designed inhibitor package that controls the corrosion of metals, helps prevent scaling and the fouling as evidenced by ASTM 8040 analysis and buffers the pH to assist in maintaining in the optimum operating range.

  • Fluid is dyed blue green for leak detection purposes
  • Available in dilutions ranging from 30% to 70%
  • Potential LEED innovation credits

Product Overview

Used for heavy-duty applications, SOLUTHERM™ PG HD LEED has a recommended operating temperature range of -50°F to 325°F when mixed with appropriate water concentrations. It provides both freeze and burst protection for systems exposed to very low temperatures.

SOLUTHERM™ PG HD LEED inhibited virgin propylene glycol-based heat transfer fluid is manufactured with proprietary inhibitor chemistry that helps prevent corrosion, which minimizes fluid expense and extends fluid life*.

Performance Features & Benefits

  • Fluid is dyed blue green for leak detection purposes
  • Silicate free
  • Meets the Heat Transfer Fluid ASTM D8039 standard for multi-metal corrosion protection and foaming tendency for ready-to-use heat transfer fluids when a minimum of 30% is used
  • Available in dilutions ranging from 30% to 70%
  • Significant reduction in Greenhouse Gases (GHGs)
  • Potential LEED innovation credits
  • Renewable sustainable bio-based product
  • Operating temperature of -60°F to 325°F (-51.1°C to 162.7°C)

*As compared to a light-duty PG heat transfer fluid

Product Offering

Typical Properties SOLUTHERM™ PG HD LEED
Concentrate 70 60 50 40 30
Propylene Glycol % Weight 95% 70% 60% 50% 40% 30%
Corrosion Inhibitors and Water % Weight 5% 30% 40% 50% 60% 70%
Color Blue Green
ASTM Specification D8039
pH of Solution Depending on Dilution 9.2–10.6 9.2–10.6 9.2–10.6 9.2–10.6 9.2–10.6
Reserve Alkalinity, mL 14.3 min 10.3 min 8.9 min 7.4 min 5.9 min 4.5 min
Pounds per Gallon (68°F)(20°C) 8.80 8.82 8.80 8.75 8.69 8.60
Boiling Point Depending on Dilution 230°F (110°C) 225°F (107°C) 222°F (106°C) 219°F (104°C) 216°F (102°C)
Freezing Point Depending on Dilution Below -60°F (-51.1°C) <-60°F (-51.1°C) -28°F (-33.6°C) -7°F (-21.4°C) 9°F (-13.0°C)
SOLUTHERM™ PG HD LEED Concentrate
Propylene Glycol % Weight 95%
Corrosion Inhibitors and Water % Weight
5%
Color
Blue Green
ASTM Specification
D8039
pH of Solution Depending on Dilution
Reserve Alkalinity, mL 14.3 min
Pounds per Gallon (68°F)(20°C) 8.80
Boiling Point Depending on Dilution
Freezing Point Depending on Dilution
SOLUTHERM™ PG HD LEED 70
Propylene Glycol % Weight 70%
Corrosion Inhibitors and Water % Weight
30%
Color
Pink
ASTM Specification
D8039
pH of Solution 9.2–10.6
Reserve Alkalinity, mL 7.4 min
Pounds per Gallon (68°F)(20°C) 9.19
Boiling Point 242°F (116°C)
Freezing Point Below -84°F (-64.4°C)
SOLUTHERM™ PG HD LEED 60
Propylene Glycol % Weight 60%
Corrosion Inhibitors and Water % Weight
40%
Color
Blue Green
ASTM Specification
D8039
pH of Solution 9.2-10.6
Reserve Alkalinity, mL 8.9 min
Pounds per Gallon (68°F)(20°C) 8.80
Boiling Point 225°F (107°C)
Freezing Point <-60°F (<-51.1°C)
SOLUTHERM™ PG HD LEED 50
Propylene Glycol % Weight 50%
Corrosion Inhibitors and Water % Weight
50%
Color
Blue Green
ASTM Specification
D8039
pH of Solution 9.2-10.6
Reserve Alkalinity, mL 7.4 min
Pounds per Gallon (68°F)(20°C) 8.75
Boiling Point 222°F (106°C)
Freezing Point -28°F (-33.6°C)
SOLUTHERM™ PG HD LEED 40
Propylene Glycol % Weight 40%
Corrosion Inhibitors and Water % Weight
60%
Color
Blue Green
ASTM Specification
D8039
pH of Solution 9.2-10.6
Reserve Alkalinity, mL 5.9 min
Pounds per Gallon (68°F)(20°C) 8.69
Boiling Point 219°F (104°C)
Freezing Point -7°F (-21.4°C)
SOLUTHERM™ PG HD LEED 30
Propylene Glycol % Weight 30%
Corrosion Inhibitors and Water % Weight
70%
Color
Blue Green
ASTM Specification
D8039
pH of Solution 9.2-10.6
Reserve Alkalinity, mL 4.5 min
Pounds per Gallon (68°F)(20°C) 8.60
Boiling Point 216°F (102°C)
Freezing Point 9°F (-13.0°C)

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