HVAC/R system contaminant removal solvent having N-propanol and flame suppresion additives, and method for flushing HVAC systems using the solvent
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United States of America Patent
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Jan 23, 2018
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app pub date -
May 20, 2016
filing date -
May 20, 2016
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Abstract
An aerosolized HVAC/R system solvent for decontaminating HVAC/R components and line sets The solvent contains 25-90 wt % propellant, and 10-75 wt % solvent mixture which is about 60-95 wt % trans-1,2, dichloroethylene, about 5-20 wt % n-propanol, and an inerting constituent providing a weight percent ratio of the inerting constituent to n-propanol of less than 1.5. The solvent is packaged in a container that is connected to the HVAC/R components or line sets to be decontaminated for supplying the solvent mixture under pressure to the HVAC/R components or line sets.
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