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Aluminum Systems Heat Transfer Fluid

DOWCAL 200 Heat Transfer Fluid for aluminum systems

DOWCAL™ 200 Heat Transfer Fluid provides improved corrosion protection, particularly for aluminum alloys. The propylene glycol-based heat transfer fluid is used in various applications, including HVAC, ground source heat pumps, and solar panels. Low acute toxicity makes this especially suitable for applications where toxicity is a concern. We sell DOWCAL in 5-gallon pails, 55-gallon drums, and 275-gallon totes.


  • Low acute toxicity makes DOWCAL 200 especially suitable for applications where toxicity is a concern

  • Suitable for use at a minimum 20% concentration for high and low temperatures

  • Hard water stability to enable use with local tap water

  • Compatible with commonly used elastomers

  • Long fluid lifetime, lowering maintenance cost

  • Free of nitrile, borax, and CMR (carcinogenic, mutagenic, and reprotoxic)

  • Recommended use temperature range of -60° to 350° F


  • Heating, ventilating, and air conditioning (HVAC) systems

  • Ground source heat pumps

  • Solar panels

  • Secondary cooling systems in recreational facilities such as ice rinks

  • Floor heating systems

  • Process chilling and batch processing systems

  • Snow melting systems


  • 5 gallon pail

  • 55 gallon drum

  • 275 gallon tote

Contact Lentus to order DOWCAL 200 by calling 270-765-2212 or emailing

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