Heat transfer fluids One substance - multiple benefits. Ethylene Glycol based water solutions are common in heat-transfer applications where the temperature in the heat transfer fluid can be below 32 o F (0 o C).Ethylene glycol is also commonly used in heating applications that temporarily may not be operated (cold) in surroundings with freezing conditions - such as cars and machines with water cooled engines. Go Glycol Pros has provided dependable freeze protection and corrosion resistance for over 20 years. They are alcoholic compounds due to the presence of –OH groups. However, due to its moderate toxicity, it is subject to reporting requirements in the event of a spill or discharge (> 5,000 pounds). The term “glycol” is used when there are two hydroxyl groups present in neighboring carbon atoms. Ethylene vs Propylene Glycol . Their molecular formulas are different; thus they have some different physical properties. Why Choose Inhibited Glycol? Heat Transfer Fluids (LTHTFs), which are described in this brochure. Mono Ethylene Glycol, or simply, Ethylene Glycol is an organic compound having the molecular formula as CH2OHCH2OH. Glycols are normally used for industrial HVAC, Process cooling/heating, and antifreeze. with your system prior to installing ethylene glycol. Depending upon the application, PSC offers Heat Transfer Fluids in varying viscosities and degrees of thermal stability. Ethylene Glycol is widely used as an antifreeze and automotive heat transfer fluid. Propylene Glycol: Propylene Glycol is used as a solvent for intravenous, oral, and topical pharmaceutical preparations. Coolant and heat-transfer agent. The specific heat capacity of ethylene glycol–based water solutions is less than that of pure water. Propylene glycol is much less toxic than ethylene glycol. Ethylene glycol is commonly used in applications where efficiency is important and there is no human or animal contact due to the toxicity of the ethylene glycol chemistry. No order mins. Ethylene glycol and propylene glycol are organic compounds with alcohol functional groups. As with other Dynalene glycol products, raw ethylene glycol is offered as a full concentrate or we can blend it with DI water to any concentration required. Ethylene glycol and propylene glycol are organic compounds. Ethylene glycol-based glycol-based fluids. Ethylene Glycol - key benefits. All of us at Recochem are committed to service and quality. Table 1 - Ethylene Glycol Versus Propylene Glycol Thermal Conductivities Temperature (F) Ethylene Glycol Thermal Conductivity [Btu/(hrft^2)(F/ft)] at 30% Volume The major use of ethylene glycol is as a medium for convective heat transfer in, for example, automobiles and liquid-cooled computers. Heat transfer performance comparison of propylene glycol and ethylene glycol solutions. Propylene glycol is less toxic and is considered when toxicity is a concern. In HVAC applications, ethylene glycol is more widely used because of its lower cost, lower viscosity and better heat transfer properties. or accounts needed. To be able to transfer the same number of B.T.U. For many heat-transfer applications it is necessary to use a heat-transfer fluid with lower freezing point than water.

Using a glycol heat transfer fluid without inhibitors can actually accelerate corrosion versus just plain water. Whereas ethylene glycol would be used in closed systems and in controlled industrial applications. Water is nature’s heat transfer fluid, a liquid used since the dawn of time to heat and cool. This can be used as a raw material in a number of different applications or as a heat transfer fluid. High viscosity fluids require greater pumping-energy and therefore cost more to run. and toxicity. Therefore, they generally provide superior heat transfer efficiency and better low temperature performance and are preferred for most heat transfer applications. Between the two, ethylene glycol (C 2H6O2) is a better heat transfer fluid than propylene glycol (C 3H8O2). Therefore, they generally provide superior heat transfer efficiency and better low temperature performance and are preferred for most heat transfer applications. 100% 100% 50% v 50% v Molecular Weight 62.1 76.1 Freeze Point (°F) 8 -71(Tg) -34 -29 Specific Gravity 1.110 1.033 1.082 1.050 Density (lb/ft3 @ 70°F) 69.12 64.32 67.05 65.14 Flash Point (°F) 240 220 None None Boiling Point (°F) 387 369 225 222 The other side is that I in my first car - a '66 Impala with a 327 engine - I changed the anti-freeze (ethylene glycol) twice a year. There are two main types of glycols, ethylene glycol and propylene glycol with propylene glycol available in industrial and food grades. It transfers heat better than propylene glycol, and can function at temperatures as low as -100º F. Ethylene Glycol is an excellent choice for protecting natural metals. Glycol Sol. Its common use is for heat transfer for things such as hydronic, heat pump, and solar heating systems. Ethylene glycol is primarily used in antifreeze formulations (50%) and as a raw material in the manufacture of polyesters such as polyethylene terephthalate (PET) (40%). If a substance like glycol (ethylene or propylene) is mixed with water it in effect lowers the heat capacity of the liquid (.97-.93) depending on the concentration. Conclusion. Ethylene vs. Propylene Glycol Typically either ethylene glycol or propylene glycol are used in HVAC closed loops, with the type of glycol and its concentration determining the freeze point and other physical properties (see Table One). Blended with propylene glycol or ethylene glycol base, MAXTECH HTF can increase system performance and longevity while … Hydronic fluids are heat transfer fluids composed of three key ingredients: Water, to provide heat transfer Ethylene or propylene glycol, to depress the freeze point of the fluid. 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