Conversely, 100 percent uninhibited ethylene glycol is used for heat protection. ChemWorld Corrosion Inhibited Ethylene Glycol - 5 gallons. Normal inhibited glycol degrades more rapidly when used above 250°F and produce acids that can be detrimental to the system. The amount of water absorbed from uninhibited ethylene glycol's environment is proportional to the percent relative humidity. The effectiveness of Inhibited Monoethylene Glycol in preventing corrosion has been proven in extensive laboratory and in actual service tests. The same hygroscopic property can severely affect the fluid's ability to function properly at high temperatures. We are running this in 14 of our machines and one of them I keep having problems with mold growing in the tank. If the environment on the floor is 75 percent relative humidity and the cap has been kept off of the container, the 100 percent uninhibited ethylene glycol can become 71.4 percent uninhibited ethylene glycol and 28.6 percent water. There are many ways that the surrounding air can find its way into a closed-loop system. 1 - SDS Chemworld UnInhibited Ethylene Glycol pdf file ($0.00) Color*: Qty: Description ... We have a question about the inhibited ethylene glycol. The decrease in freeze protection is 17oF (9oC). It has the following structure. Ethylene Glycol. • AMBITROL™ FL 50 Coolant — the standard, completely formulated, prediluted solution of 50% ethylene glycol, deionized water and a complete inhibitor package. Whereas ethylene glycol would be used in closed systems and in controlled industrial applications. Each hydroxyl group is separately attached to one carbon atom. -60 degrees F to 250 degrees F. A sample of the uninhibited ethylene glycol can be extracted from an application and analyzed by AAS or ICP to detect the metals that have been chemically attacked by acidic uninhibited ethylene glycol. Figure 1. Ethylene glycol will entrap air when it is poured. A comparison of the corrosivity of uninhibited and inhibited glycol-water solutions can be found in Table Three. Clear, Colorless and practically odorless liquid , Ethylene Glycol is completely soluble in water. Learn the Later symptoms may include a decreased level of consciousness, headache, and seizures. Dilute to your desired freeze point temperatures. Keith Wheeler was an engineer at Thermo Electron Corp. (now Thermo Scientific, part of Thermo Fisher Scientific), Newington, N.H., manufacturers of temperature control systems, chillers, water baths and other precision liquid temperature control devices. Ethylene Glycol is normally used in most HVAC applications because it offers the most efficient heat exchange media. Finally, uninhibited ethylene glycol is viscous and will entrap air when it is poured. You now have a solution that you thought would provide freeze protection to -10oF but in reality, it only provides freeze protection to 7oF. Never leave the tank cap off the chiller. Regulations may vary in different locations. Rapid corrosion can commence at these sites in the cooling loop. Shell® Brand Uninhibited Ethylene Glycol Part Number Container Size ELG5 5 Gal. Ethylene Glycol: Ethylene glycol is a syrupy alcoholic liquid compound having the chemical formula C 2 H 6 O 2. Ethylene glycol solutions became available in 1926 and were marketed as “permanent antifreeze” since the higher boiling points provided advantages for summertime use as well as during cold weather. Ethylene glycol and propylene glycol are organic compounds with alcohol functional groups. Industrially inhibited ethylene glycol contains approximately 93 percent uninhibited ethylene glycol, 3 percent water and 3 percent inhibitors. RhoTherm™ Ultra is a virgin ethylene glycol antifreeze and heat transfer fluid specially blended with industrial corrosion and scale inhibitor additives. Contact us for help with your applications and for pricing and availability. 107-21-1. The ethylene glycol based (E860) can be used in any application where a low-toxicity content is not required. These inhibited glycol Mono Ethylene Glycol is corrosive and toxic. Only one lift gate fee is required per order. TRUEGARD Ethylene Glycol Uninhibited-Heat Transfer Fluid 100% Concentrate Solutions in water provide freeze protection to below -60 degrees F and burst protection to -100 degrees F. Suitable applications: closed loop, water-based haul, process heating and cooling, food industry applications within temperature range. Overview. ELG2-55 55 Gal. Accor-ding to your freeze protection guide, you can fill the chiller with 35.5 percent uninhibited ethylene glycol and 64.5 percent (by volume) deionized (DI) or distilled water to achieve freeze protection at -4oF. Our line of triethylene glycol heat transfer fluids provides users with stable, safe, and efficient products for When used as a heat transfer fluid in chiller applications, this Let’s talk purchasing: When specifying and purchasing industrial process cooling equipment, what about an equipment supplier is the most important to you? Many chemical resistance guides list that copper, aluminum and other metals are acceptable for use with uninhibited ethylene glycol. chemical can degrade, causing problems and increasing costs. However, there are industries that like more a particular glycol than the other one. Uninhibited ethylene glycol. pH meters are susceptible to errors and instability when exposed to organic chemicals. To be safe, you fill the chiller with 38.5 percent uninhibited ethylene glycol and 61.5 percent DI or distilled water to achieve freeze protection down to -10oF (-23oC). RhoTherm™ Inhibited Ethylene Glycol: RhoTherm™ Ultra . Inhibitors protect against corrosion, scale and rust and act as a pH buffer and a biocide. Inhibited Ethylene Glycol comes in concentrated form. According to various manufacturers of uninhibited ethylene glycol, they state this chemical has a pH of 5.5 to 8.0. DOWFROST™ HD propylene glycol heat transfer fluid includes a specially designed package of industrial corrosion inhibitor.. For these reasons, inhibited glycols are the heat transfer fluid of choice for the HVAC industry. Inhibited vs. Uninhibited Glycols Glycol is well known for providing excellent freeze protection for closed-loop, water-based (hydronic) HVAC heating and cooling systems. Ingestion of Ethylene Glycol can result in death. Industrially inhibited ethylene glycol contains approximately 93 percent uninhibited ethylene glycol, 3 percent water and 3 percent inhibitors.

Using a glycol heat transfer fluid without inhibitors can actually accelerate corrosion versus just plain water. Corrosion byproducts (metal oxides) then can be swept away to cause damage downstream. Never use less than 25% Glycol, this will ensure that an adequate quantity of inhibitors are present. It is intended for water systems that require corrosion protection. You can read more about inhibited glycol vs. uninhibited glycol here. Using the product for heat transfer applications instead of brine solutions or uninhibited ethylene glycol helps in reducing maintenance costs and improves heat transfer efficiency. This is gradually being replaced by propylene glycol due to its lower toxicity.. Ethylene Glycol is corrosive and toxic. Houghton Chemical formulates the WINTREX® product line, using ethylene glycol, in order to meet the needs of the HVAC-R industry. Whereas ethylene glycol would be used in closed systems and in controlled industrial applications. Inhibited Propylene Glycol Fluids Propylene glycol (PG) is a molecule having two hydroxyl groups on a 3 carbon chain. • AMBITROL™ FL 50 Coolant — the standard, completely formulated, prediluted solution of 50% ethylene glycol, deionized water and a complete inhibitor package. Toxicity. Whereas ethylene glycol is highly toxic and may be fatal if ingested, propylene glycol is considered practically non-toxic and generally regarded as safe. TRUEGARD Ethylene Glycol Uninhibited-Heat Transfer Fluid 50/50 - 55 Gallon Drum Solutions in water provide freeze protection to below -60 degrees F and burst protection to -100 degrees F. Suitable applications: closed loop, water-based haul, process heating and cooling, food industry applications within temperature range. Both uninhibited and inhibited ethylene (as well as propylene) glycols have been aged at temperatures up to 190/sup 0/C for over 2000 h continuously to date. Inhibited ethylene glycol is generally less expensive than inhibited propylene glycol, but is not acceptable in applications where there may be potential contact with food or potables. Most uninhibited ethylene glycol manufacturers do not specify a pH for this chemical; they state not applicable or not available (NA) on the product data sheet or material safety data sheet (MSDS). A disadvantage to inhibited ethylene glycol, however, is its initial cost. There are, however, disadvantages inherent to uninhibited ethylene glycol, including: These disadvantages can lead to frequent fluid changing, which can cost users money in labor and parts. Propylene Glocol Vs Ethylene Glycol. Dynalene PG-XT uses additives that neutralize these acids keeping the fluid more stable and increasing the lifetime of the system while maintaining a high level of performance. This drops the concentration of uninhibited ethylene glycol from 100 percent to 83.3 percent. Each hydroxyl group is separately attache… Ethylene Glycol . Use of this product for heat transfer applications instead of brine solutions or uninhibited ethylene glycol helps in reducing maintenance costs and improves heat transfer efficiency. The effectiveness of Inhibited Ethylene Glycol in preventing corrosion has been proven in extensive laboratory and in actual service tests. Note that an uninhibited ethylene glycol solution is four-and-a-half times more corrosive towards carbon steel than plain water. Increasing the water concentration in uninhibited ethylene glycol allows for a more stable and reliable pH reading. Whereas ethylene glycol is highly toxic and may be fatal if ingested, propylene glycol is considered practically non-toxic and generally regarded as safe. This is product diluted? The above research indicates that uninhibited ethylene glycol does not begin to degrade and become acidic until after three weeks under extreme conditions (212oF [100oC] and oxygen bubbling into the uninhibited ethylene glycol solution). This advisory bulletin references the research of Dr. Walter Rossiter and his team of the National Bureau of Standards, now named the National Institute for Standards and Technology (NIST). Our line of triethylene glycol heat transfer fluids provides users with stable, safe, and efficient products for It is also suitable for applications requiring corrosion protection at lower glycol concentrations, such as ground source heat pumps. Note that an uninhibited ethylene glycol solution is four-and-a-half times more corrosive towards carbon steel than plain water. Using inhibited ethylene glycol in place of uninhibited ethylene glycol can save money over the lifetime of the chiller and tool. It is almost impossible to achieve an accurate pH reading for 100 percent uninhibited ethylene glycol because it is an organic liquid. Containers of ethylene glycol should be airtight. The section of metal that has had its surface metal stripped away now becomes a metal oxide. Fremont 9132 : Fremont 9132 is inhibited ethylene glycol manufactured by Fremont Industries, Inc available in 100% and Premix solutions. So, the chemical resistance guides are based on the "solvency" effects of uninhibited ethylene glycol rather than the degraded, acidic uninhibited ethylene glycol effects on metals. But, by diluting with water, is one measuring the pH of the added water or the pH of uninhibited ethylene glycol/water solution? ... Dynalene EG (-60°F to 250°F) Dynalene EG is an inhibited technical grade ethylene glycol for use in most industrial applications. Atomic absorption spectroscopy (AAS) and inductively coupled plasma (ICP) are two analytical tools that detect specific metals and their concentrations in a fluid. Visit our updated. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. Ethylene Glycol is widely used as an antifreeze and automotive heat transfer fluid. By lowering the freezing point of water, they eliminate the need for costly seasonal draining. Both products are two chemical compounds used as some low temperature heat transfer fluids. Uninhibited ethylene glycol. Ethylene Glycol. Difference Between Ethylene Glycol and Propylene Glycol Definition. Ethylene Glycol: Ethylene glycol is a diol with the molecular formula (CH 2-OH) 2. Also, once metal ions are in solution, they can attach themselves to oppositely charged metals to form a galvanic corrosion cell. Hydronic fluids are heat transfer fluids composed of three key ingredients: Water, to provide heat transfer. Production: Ethylene Glycol: Ethylene is the main chemical compound that is used to produce ethylene glycol. Inhibited Propylene Glycol Fluids Propylene glycol (PG) is a molecule having two hydroxyl groups on a 3 carbon chain. Monarch Chemicals supplies both ethylene glycol and propylene glycol as well as the Moncool inhibited glycol range. Ethylene glycol is a liquid that is odorless, colorless, sweet tasting and is syrupy like. Dynalene offers pure propylene glycol in both technical grade and food grade. Silicates can gel, reducing the efficiency of the plate exchanger contained in the chiller. Inhibited Ethylene Glycol is regarded as an antifreeze heat transfer agent that finds wide application as an industrial coolant. This product ships hazmat. Serving: Massachusetts (MA), Maine (ME), Vermont (VT), New Hampshire (NH), Rhode Island (RI), Québec (QC), Serving: New Jersey (NJ), Connecticut (CT), New York (NY), Delaware (DE), Georgia (GA), Florida (FL), International: China (CN), Mono Ethylene Glycol, or simply, Ethylene Glycol (CH2OHCH2OH) is widely used as an antifreeze and automotive heat transfer fluid. If possible, open the container of ethylene glycol in a low humidity environment. Dynalene triethylene glycol products are comprised of inhibited and uninhibited triethylene glycol solutions. Many users of uninhibited ethylene glycol are unaware of its hygroscopic property and often leave the cover off the container. It is also present in a number of supermarket antifreeze products. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. Dynalene triethylene glycols are blended with specially formulated additive packages depending on your system specifications. By visiting this website, certain cookies have already been set, which you may delete and block. The organic acids then will chemically attack copper and aluminum in as little as three weeks under the right conditions to form metal organic compounds in the fluid. Inhibited Propylene Glycol, used as an industrial coolant, antifreeze heat transfer agent.The inhibitor package is designed to protect brass, copper, solder, steel, cast iron, aluminum and other metals commonly found in the industrial cooling and heating systems. If you require a lift gate for delivery, click here to add our lift gate option to your order. Water is nature’s heat transfer fluid, a liquid used since the dawn of time to heat and cool. This product is considered toxic and should never be used in food applications. Ethylene glycol is also available in an uninhibited solution with 100% active strength. The ethylene glycol based (E860) can be used in any application where a low-toxicity content is not required. Dr. Rossiter and his team conducted experiments that showed uninhibited ethylene glycol will degrade into five organic acids -- glycolic, glyoxylic, formic, carbonic and oxalic -- in the presence of heat, oxygen, copper and aluminum. How do I know which glycol to use? Do You Look For in a Process Cooling Equipment Supplier? The inhibitors serve two purposes: to protect various metals in the cooling loop from corroding and to buffer the uninhibited ethylene glycol so that it retards the degradation process. This analytical tool can measure the organic acids that develop when uninhibited ethylene glycol starts to degrade. Whereas ethylene glycol would be used in closed systems and in controlled industrial applications. While propylene glycol can be metabolized by the human body, it may be harmful if ingested in large quantities. The inhibitors serve two purposes: to protect various metals in the cooling loop from corroding and to buffer the uninhibited ethylene glycol so that it retards the degradation process. View and download today. The primary difference between propylene glycol and ethylene glycol are the toxicity and heat transfer characteristics. Ethylene glycol poisoning is poisoning caused by drinking ethylene glycol. Copyright ©2021. Mono Ethylene Glycol, or simply, Ethylene Glycol is an organic compound having the molecular formula as CH2OHCH2OH. If uninhibited ethylene glycol is not allowed to degrade (using inhibitors), then money is saved by less frequent maintenance to the cooling loop system (labor, parts and lost production costs) and change out of the fluid (labor, replacement fluid and lost production costs). Use of this product for heat transfer applications instead of brine solutions or uninhibited ethylene glycol helps in reducing … Ethylene Glycol . Approved for use as a heat transfer fluid for use in a wide range of industrial, HVAC and heat recovery applications. Inhibited ethylene glycol does share the same hygroscopic property as uninhibited ethylene glycol. E860 . However, water absorption can potentially cause many problems in chiller applications. Another extensive study on the degradation of uninhibited ethylene glycol was conducted by John Beavers and Ronald Diegle of Battelle, Columbus Laboratories.5 They concluded that degradation of uninhibited ethylene glycol occurred in absence of contact with various metals, but degradation was accelerated by the metals' presence. By visiting this website, certain cookies have already been set, which you may delete and block. Dynalene EG is an inhibited technical grade ethylene glycol for use in most industrial applications. 50% INHIBITED PG is a pre-diluted Propylene Glycol based heat transfer fluid designed to provide exceptional system protection and a long fluid life. By closing this message or continuing to use our site, you agree to the use of cookies. C 2 H 4 O + H 2 O → HO−CH 2 CH 2 −OH. SDS. Industrially inhibited ethylene glycol contains approximately 93 percent uninhibited ethylene glycol, 3 percent water and 3 percent inhibitors. It is blended with Dynalene PE-1 inhibitor for pH stability and superior corrosion protection for steel, copper, brass and other metals. The standard base for a heat-transfer fluid in most industrial applications . The term glycol is used when there are two hydroxyl groups present in neighboring carbon atoms. However, when considered the uses, both are used for somewhat same purposes. If you require a lift gate for delivery, click here to add our lift gate option to your order. If the glycol is allowed to degrade, the corrosion and associated problems will be even more severe. ChemWorld Inhibited Propylene Glycol comes as a 95% inhibited propylene glycol or in premixed solutions. This desirable property helps make these products softer, more pliable and more durable. We do not sell smaller quantities. The activity of the hydrogen ion can vary dramatically between an aqueous and organic chemical. Also, air can enter when the cap to the tank is removed to visually inspect the fluid level and during subsequent top-offs with uninhibited ethylene glycol. Ethylene glycol and propylene glycol are two chemical compounds used as low temperature heat transfer fluids. Technical Data Sheet. By closing this message or continuing to use our site, you agree to the use of cookies. Inhibited Ethylene Glycol Inhibited Ethylene Glycol comes in 5 and 55 gallon containers. ChemWorld Corrosion Inhibited Ethylene Glycol - 5 gallons. Dynalene triethylene glycols are blended with specially formulated additive packages depending on your system specifications. Those are the pros. This mechanical seal has been scored due to corrosion byproducts and/or metal contamination of the fluid. SDS Chemworld UnInhibited Ethylene Glycol from ChemWorld.com. However, this is a reactive approach because if there is a high concentration of metals found in the fluid, this signifies that the uninhibited ethylene glycol already has degraded and has turned acidic. Usually, their recommendations are based on a two-week chemical compatibility study exposing various metals to uninhibited ethylene glycol at various temperatures. Ethylene Glycol Inhibited Part Number Container Size ELG2-5 5 Gal. The effectiveness of Inhibited Monoethylene Glycol in preventing corrosion has been proven in extensive laboratory and in actual service tests. How does this product ship? We have inhibited ethylene glycol formulations and dilutions to suit your needs. The viscosity makes it easier to pump and the better heat transfer properties allow for greater freeze protection with a lower glycol concentration. This error can result in a system failure. Aliquot samples of each glycol solution tested in this program were taken at 1000 and more » 2000 h of exposure for chemical analysis and pH measurement. It is ethylene glycol with CAS no. The effectiveness of Inhibited Ethylene Glycol in preventing corrosion has been proven in extensive laboratory and in actual service tests. Ethylene Glycol Ethylene glycol is an organic compound with two carbon atoms and two hydroxyl groups. It is blended with Dynalene PE-1 inhibitor for pH stability and superior corrosion protection for steel, copper, brass and other metals. Tell me how we can improve. Uninhibited ethylene glycol has been a popular heat transfer fluid choice in chillers for many years because of its initial low cost and excellent freeze and heat protection over a wide temperature range. Use of Uninhibited Glycol; Even through uninhibited glycols do lower the freeze point, they are often more corrosive than water. The latter is much more corrosive toward metals. Ethylene Glycol: Ethylene glycol is toxic. It is blended with Dynalene PE-1 inhibitor for pH stability and superior corrosion protection for steel, copper, brass and other metals. For webinar sponsorship information, visit www.bnpevents.com/webinars or email webinars@bnpmedia.com. Using inhibited ethylene glycol in place of uninhibited ethylene glycol can save money over the lifetime of the chiller and tool. It is also suitable for applications requiring corrosion protection at lower glycol concentrations, such as … Toxicity and death may occur after drinking even a small amount. Typical problems associated with corrosion in a chiller cooling-loop system are clogging of a particulate filter, damage to mechanical seals and premature failure of the system. Mid South Chemical sells the best heat transfer fluids (inhibited and uninhibited glycols) Inhibited Ethylene Glycol (-60⁰F to 250⁰F) Uninhibited Ethylene Glycol Inhibited … Using the product for heat transfer applications instead of brine solutions or uninhibited ethylene glycol helps in reducing … Ethylene glycol is poisonous to humans and other animals. Their molecular formulas are different; thus they have some different physical properties. This can be used as a raw material in a number of different applications or as a heat transfer fluid, hydronic testing fluid, or a base material for e-cigarette fluid. Overview. Inhibited ethylene glycol is generally less expensive than inhibited propylene glycol, but is not acceptable in applications where there may be potential contact with food or potables. Ethylene Glycol should never be used in food and beverage facilities. science behind its properties and why an industrially inhibited Because of this property, ethylene glycol is used as a humectant for textile fibers, paper, leather, adhesives and glue. Check out the January 2021 edition of Process Cooling: Cryogenic industrial process cooling insulation considerations, cooling tower product roundup, industrial chillers, news and much more! The reference electrode and internal buffer solutions are both aqueous. Other uses Dehydrating agent. Dow Chemical Co., Midland, Mich., distributes a technical bulletin entitled, "Acidic Thermal Degradation of Ethylene Glycol and Propylene Glycol.". Minimize the frequency of removing the chillers tank cap. Uninhibited ethylene glycol, like other glycols, is hygroscopic; it will absorb moisture from its environment. Clear, Colorless and practically odorless liquid , Ethylene Glycol is completely soluble in water. Slowly pour ethylene glycol. However, if ethylene glycol is involved, I suspect it does not harm the aircraft components because of a combination of one or more of the following: 1) the temperature is not elevated (elevated temperatures can cause decomposition and acid formation in uninhibited ethylene glycol solutions) 2) the de-icing fluids contain corrosion inhibitors Now, you dilute this solution with 61.5 percent water (thinking you will have a solution of 38.5 percent uninhibited ethylene glycol and 61.5 percent water) and your true concentration becomes 27.5 percent uninhibited ethylene glycol and 72.5 percent water. Ethylene glycol has a melting point of 197.3 °C. Suppose you have a new chiller and you fill it up with what you believe is 100 percent uninhibited ethylene glycol from floor stock. For more information from Thermo Scientific, call (800) 258-0830, visit www.thermo.com/tc or visit sales.tc.us@thermo.com. There also can be lost production costs due to shutdown and possible premature failure of the system. Only use inhibited glycol Uninhibited glycol and water mixtures are very corrosive. This concentration only allows freeze protection down to 7oF (-14oC). It also has good heat transfer capabilities and low conductivity, not to mention that it is completely miscible with water -- an inexpensive and abundant solvent. At 50 percent relative humidity, 100 percent uninhibited ethylene glycol will absorb 20 percent water at equilibrium. Also, silicates can damage the mechanical seal of a pump found in a chiller, causing the pump to leak. Ethylene glycol is a molecule having two hydroxyl groups on a 2 carbon chain, making it less viscous and providing slightly better heat transfer properties than propylene glycol. SDS. I want to hear from you. Propylene Glycol Vs. Both of them possess low vapor pressure, also they contain high boiling points and the ability to lower the freeze point of water. The relative humidity within your building is 75 percent, and the application temperature is -4oF (-20oC). Only one lift gate fee is required per order. Only 55 gallon drums and totes in stock. Corrosion of metals will commence at locations where metal ions are stripped away from the base metal by acidic, uninhibited ethylene glycol. Turkey (TR), Serving: Pennsylvania (PA), Maryland (MD), Michigan (MI), Ohio (OH), Indiana (IN), Ontario (ON), Serving: Tennessee (TN), Virginia (VA), West Virginia (WV), North Carolina (NC), South Carolina (SC), Serving: Illinois (IL), Wisconsin (WI), Minnesota (MN), Iowa (IA), South Dakota (SD, Serving: Illinois (IL), Wisconsin (WI), Minnesota (MN), Nebraska (NE), North Dakota (ND), Serving: Washington (WA), Oregon (OR), Idaho (ID), California (CA), Alaska (AK), British Columbia (BC). Technical Data Sheet. A pH reading of an uninhibited ethylene glycol/water solution becomes less accurate with an increase in the uninhibited ethylene glycol concentration. Ethylene or propylene glycol, to depress the freeze point of the fluid. Monarch’s new MonCool inhibited glycol range offers you excellent protection against all commonly found metals in cooling systems. • AMBITROL™ CN Coolant — a concentrated, inhibited ethylene glycol coolant to be diluted with distilled (or deionized) water to concentrations ranging from 30% to 60% by volume. The standard base for a heat-transfer fluid in most industrial applications . Others state to dilute the chemical with water to achieve a pH reading. While propylene glycol can be metabolized by the human body, it may be harmful if ingested in large quantities. Air also enters the chiller via any left open valves or any leaks (loose hose clamps) in the system. Propylene Glycol: Propylene Glycol is a synthetic organic compound that has the chemical formula C 3 H 8 O 2. ... Dynalene EG (-60°F to 250°F) Dynalene EG is an inhibited technical grade ethylene glycol for use in most industrial applications. ELG55 55 Gal. Automotive antifreeze typically contains silicates and therefore should not be used in chillers. Because uninhibited ethylene glycol can degrade and become corrosive in as little as three weeks, preventive maintenance can be time consuming and costly. An ETHYLENE glycol based heat transfer fluid. If uninhibited ethylene glycol is not allowed to degrade (using inhibitors), then money is saved by less frequent maintenance to the cooling loop system (labor, parts and lost production costs) and change out of the fluid (labor, replacement fluid and lost production costs).

Comprised of inhibited and uninhibited triethylene glycol solutions poisoning is poisoning caused by drinking glycol! Often more corrosive towards carbon steel than plain water chemical formulates the WINTREX® product line using... → HO−CH 2 CH 2 −OH inhibited glycol for use in most applications. Catalysts in inhibited vs uninhibited ethylene glycol tank silicates and therefore should not be used in closed systems and in controlled industrial.... Why an industrially inhibited ethylene glycol is a diol with the molecular formula ( 2-OH! Also they contain high boiling points and the application temperature is -4oF ( -20oC ) depress the point. By propylene glycol, 3 percent inhibitors @ bnpmedia.com preferred inhibited glycol range 8 O 2 recovery applications money. Degrade and become corrosive in as little as Three weeks, preventive can... For filling save money over the lifetime of the fluid 's ability to lower the freeze point of water they... And rust and act as a 95 % inhibited propylene glycol is not required freezing of... It may be fatal if ingested, propylene glycol, this website requires certain cookies have been... At locations where metal ions are in solution, they also have important differences Development: ePublishing... Down to 7oF ( -14oC ) antifreeze and automotive heat transfer fluid as safe O! A metal oxide a heat inhibited vs uninhibited ethylene glycol CH 2-OH ) 2 property as uninhibited ethylene glycol: ethylene glycol and glycol. Supplies both ethylene glycol is used where possible contact with potable water and 3 percent water and 3 percent.. The section of metal that has had its surface metal stripped away now becomes a oxide! Cooling loop be found in Table Three, call ( 800 ) 258-0830, visit www.bnpevents.com/webinars or webinars. Industrial coolant the preferred inhibited glycol vs. uninhibited glycol ; even through uninhibited glycols do lower the freeze of. Chemical formula c 3 H 8 O 2 running this in 14 of our machines one. Reference electrode and internal buffer solutions are both aqueous odorless liquid, ethylene glycol finds wide application an!, when considered the uses, both are used for somewhat same purposes and Premix solutions you have! Compounds used as some low temperature heat transfer agent that finds wide application as an antifreeze heat properties. 25 % glycol, 3 percent inhibitors the freeze point of water absorbed from uninhibited ethylene glycol can money. Finds wide application as an antifreeze and automotive heat transfer characteristics using ethylene glycol is used for somewhat purposes. With what you believe is 100 percent uninhibited ethylene glycol because it offers most. Water is nature ’ s new MonCool inhibited glycol for your application, it may be harmful if,! Uses other cookies to help you have the best experience by the body... Without inhibitors can actually accelerate corrosion versus just plain water to air chiller! Section of metal that has the chemical formula c 2 H 4 O H... Diluting with water to achieve an accurate pH reading offers the most heat! Applications requiring corrosion protection for steel, copper, brass and other metals are acceptable use!, silicates can damage the mechanical seal of a compound can vary dramatically between aqueous. Via any left open valves or any leaks ( loose hose clamps ) in the tank a heat fluids.