Remember that ethylene glycol is a toxic substance and dispose of it as required in your community. Salah satu kandungan umum radiator coolant adalah ethylene glycol, suatu senyawa organik yang bisa larut ke dalam air.. Penggunaan ethylene glycol di radiator coolant itu untuk menurunkan titik beku air serta menaikkan titik didih air radiator. Looks like AMSOIL makes Propylene Glycol based coolant. Water vs. Glycol Heat Transfer. strength of a known Glycol. Are there any recommended brands? C 2 H 4 O + H 2 O → HO−CH 2 CH 2 −OH. $23.99 $ 23. June 17, 2015 Newsletter Dynalene. Heat Transfer Performance of Propylene Glycol Versus Ethylene Glycol Coolant Solutions in Laboratory Testing 1999-01-0129 This paper describes the results of laboratory testing comparing the heat transfer performance of heavy duty radiators with Propylene Glycol and Ethylene Glycol based coolants. Propylene glycol is colorless, odorless, and tasteless. There is a small percentage of propylene glycol based coolant on the market. It's also commonly used in medicines, and it's similarity to ethylene glycol is what inspired a Chinese drug manufacturer to produce some medicines using cheaper ethylene glycol. Propylene anti-freeze is going to be much more expensive since that particular compound is used in many other applications. The primary difference between propylene glycol and ethylene glycol is toxicity and heat transfer characteristics. This basic formula is ideal for the user who wants to modify with additional treatment for pH and corrosion prevention requirements of various heating/cooling systems. But we now are going to use this device to identify an unknown glycol which we know to have two totally different percentages of strength. It’s a synthetic liquid that has many industrial applications. And where is the drain plug on the rad? Propylene glycol is less toxic than ethylene glycol and has perceived environmental benefits; however, these are off-set by higher cost. Ethylene Glycol vs Diethylene Glycol: Ethylene glycol is an alcohol having the chemical formula C 2 H 6 O 2.: Diethylene glycol is an organic compound having the chemical formula C 4 H 10 O 3. This reaction can be catalyzed by either acids or bases, or can occur at neutral pH under elevated temperatures. Ethylene glycol and its oligomers are preferable as a starting material instead of water, because they allow the creation of polymers with a low polydispersity (narrow molecular weight distribution). If doing this, how does one get all the old coolant out of the system? Due to environmental concerns, the main component of the coolant was replaced by ethylene glycol. When a reaction takes place between ethylene oxide with water, the ethylene glycol oligomers or the ethylene glycol, it gives rise to polyethylene glycol. Instead stick to propylene glycol based coolants (also called propane diol) or glycerol-based coolants (Mayhem's X1, for example) if … For example, ethylene glycol is more efficient and works better under lower temperatures. If you can find some, I would think that would help. One option is to buy a Refractometer tester to test the Propylene Glycol. Hydronic fluids are heat transfer fluids composed of three key ingredients: Water, to provide heat transfer. Propylene Glycol vs Ethylene Glycol Toxicity. The boiling point reduction may result in undetected coolant boiling, since many engine temperature warning devices are set at 260°F, and weak coolants will boil before they reach this temperature. Glycols are normally used for industrial HVAC, Process cooling/heating, and antifreeze. The propylene glycol coolant does not decompose in the engine if the additive package is maintained. Production Industrial routes. Later, ethylene glycol was developed as the main antifreeze. Uses. Here it shows that the solution could be 30% Propylene Glycol. It freezes at 32°F and boils at 212°F. Propylene Glycol is een cosmetische vorm van minerale olie en wordt ook wel genoemd als een goedkoper alternatief voor glycerine, dat bovendien sneller in de huid trekt. Let us … Although propylene glycol … 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. The ability of ethylene glycol and propylene glycol to lower the freezing point of water constitutes the most important physical property in coolant applications and the primary reason for using glycol-based heat transfer fluids. Propylene glycol and ethylene glycol are both used as antifreeze for cars and trucks They are chemically similar in many respects, with propylene glycol considered to be a safer alternative than its ethylene cousin; however, ethylene glycol has better heat transfer properties.