Aluminum Systems Heat Transfer Fluid

Aluminum Systems Heat Transfer Fluid

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 orders@LentusLLC.com.

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