HCR188C/R443A multi-blend Hydrocarbon refrigerant

  • Multi-blend, climate friendy, energy efficient, HC refrigerant
  • Propylene/ Propane/ Isobutene blend

Basic Specifications:

  • Propylene/ Propane/ Isobutene blend
  • Replacement for R22
  • Zero Ozone Depletion Potential (ODP)
  • Very low Global Warming Potential (GWP)

US EPA Significant New Alternatives Policy (SNAP) submission status:

  • Residential central split-system air-conditioning systems, heat pumps and portable (floor) air-conditioning systems- submitted


  • Climate-friendly
  • Energy-saving
  • Multi-blend HCs can have operational properties “tuned” to the application as opposed to working under one set of operating conditions
  • Significantly reduced charge rates
  • Lower risk of flammability
  • Smaller size system components/reduced wear
  • Improved cooling capacity
  • Faster cooling operation


  • Residential central split-system air-conditioning systems, heat-pump systems, and portable (floor) air-conditioning systems
  • All international applications requiring an R22 substitute

Application Notes:

  • The HCR188C/R443A HC multi-blend is easily produced using existing industrial chemical facilities under standard operating procedures
  • Some refrigeration systems would benefit from using a temperature-control system with adjustable parameters to recognize the lower pressure operation of HCR188C/R441A and cycle accordingly
  • Prompts compressor innovation, in order to take advantage of the lower refrigerant volumes possible with HCR188C/R443A

Developed by A.S. Trust & Holdings +1 808-235-1890
Manufactured in Texas by ComStar International (NY) for $8/ pound (20 lb canister) +1 800-328-0142
US Distribution: ComStar International (www.ComStarProducts.com)
Japan Distribution: Newtech Co., Ltd. (www.Newtech-jp.com)


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