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DOWCAL 200 Inhibited Propylene Glycol-based Heat Transfer Fluid -ChemEqual

ChemEqual

Posted 13th April 2017.

Propylene glycol, also known as Propane-1,2-diol is used as a heat transfer fluid and antifreeze, particularly as a low corrosion non-toxic substitute to ethylene glycol based cooling systems. In aluminium based cooling systems like HVAC/R, propylene glycol has shown efficacy comparable to ethylene glycol.

Benefits of PG:
-Low freezing point
-The ability to decrease the freezing point of water
-Burst protection
-Low mammalian toxicity
-Low flammability
-Excellent heat transfer properties
-A high boiling point, low vapor pressure

Water based fluids expand in volume when they freeze, causing rupturing of pipes and containment vessels. Ethylene glycol has severe toxicological and environmental implications making it unsuited for cases of human exposure. Water-PG mixtures in low temperature conditions do not create extra pressure on vessel walls and in case of leakage, they are not hazardous. This makes Propylene glycol the ideal active ingredient as heat transfer fluid in industrial systems.

DOWCAL 200 manufactured by DOW Chemicals is propylene glycol based heat transfer fluid antifreeze that has a wide range of application. It has been formulated to operate at temperatures higher than what ordinary glycol fluids can. It has a low acute oral toxicity and includes a specially designed inhibitor package to prevent corrosion of common materials used in HVAC, Food beverage processing, solar power plants etc.

Applications:
•Single fluid process heating and cooling
•Closed-loop water based heating & air conditioning systems
•Food and brewery industry
•HVAC systems
•Pharmaceuticals
•Secondary cooling and heating
•Freeze and Burst protection
•Renewable energy systems

ChemEqual is a unique online chemical and equivalents database and B2B marketplace where Propylene Glycol based antifreeze like DOWCAL 200 and its equivalents can be easily searched and enquired here.

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