Uninhibited Glycol & The Hidden Dangers Glycol fluids provide excellent thermal properties for water-based HVAC or cooling systems by significantly reducing the freeze point of water. Product identifier Product form : Substance Substance name : ethylene glycol Not intended for use in automobiles. The effectiveness of Inhibited Ethylene Glycol in preventing corrosion has been proven in extensive laboratory and in actual service tests. To learn more about the other heat transfer fluids that Dynalene offers, please click here. The threat of corrosion is increased by the use of standard but uninhibited Ethylene Glycol and Propylene Glycol due to the lack of corrosion inhibitors. Uninhibited ethylene glycol, like other glycols, is hygroscopic; it will absorb moisture from its environment. Measurements of linear polarization resistance and maximum pit depth were used to assess the extent of corrosion activity. Uninhibited glycol (or plain glycol) provides freeze and burst protection at a relatively low initial cost. There are, however, disadvantages inherent to uninhibited eth-ylene glycol, including: It is relatively easy to degrade. Our comprehensive product line, including performance additives, pH buffers, corrosion inhibitors, and system cleaners, makes Glycol.ca your single source supplier for all your closed loop water treatment needs. Glycol can be used as a heat transfer fluid or as a raw material. Note that an uninhibited ethylene glycol solution is four-and-a-half times more corrosive towards carbon steel than plain water. Dilute with water to your ratio after receiving. Please call the glycol experts at 877-244-5525 (or + (1) 610-262-9686) for more information. Solutions in water provide freeze protection to below -60 degrees F and burst protection to. Conversely, 100 percent uninhibited ethylene glycol is used for heat protection. May be used with most corrosion inhibitors. The corrosion rates of aluminum, copper, and iron in the 50 volume percent inhibited ethylene glycol-corrosive water solution decreased as a function of time during the 1000-h test. This occurs when a small amount of glycol is introduced into a system . Uninhibited Glycols not only corrode your system but also accelerate the problem. Abstract The corrosion characteristics of some selected types of aluminum in uninhibited ethylene glycol/water solutions have been studied under conditions relevant to the operation of aluminum solar heat collector systems. Automotive Based Antifreeze; Automotive based antifreeze Should never be used! 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. We also offer several dye options. Propylene is preferred to Ethylene for many antifreeze applications due to it's low toxicity and . Dynalene's Ethylene Glycol series is available in different concentrations to fit your system requirements. On steel, it is 4.5 times faster. What is Uninhibited Glycol? TRUEGARD Ethylene Glycol Uninhibited-Heat Transfer Fluid 50/50 - 55 Gallon Drum by Truegard Product SKU 10231 $735.15 Heat transfer fluid is dyed fluorescent pink for leak detection. 58 / Monday, March 26, 2012 / Rules and Regulations 02/09/2016 EN (English) Page 1 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. Propylene Glycol Industrial Grade is used in a variety of antifreeze applications, including de-icing of aircraft, as a heat transfer fluid in water-based hydronic systems, as an automotive antifreeze, and for winterization of plumbing systems. Copper and aluminum act as a catalyst in the presence of uninhibited ethylene glycol. If the glycol is allowed to degrade, the corrosion and associated problems will be even more severe. First aid measures Protection of first-aiders:It may be dangerous to the person providing aid to give mouth-to-mouth resuscitation. Uninhibited ethylene glycol, like other glycols, is hygroscopic; it will absorb moisture from its environment. Concentrated ChemWorld Ethylene Glycol - 5 gallons. ChemWorld is also a distributor of dipropylene glycol and other specialty chemicals. Do not use in Food and beverage facilities. May be ordered in multiple colors for product identification and leak detection. Aliquot samples of each glycol solution tested in this program were taken at 1000 andmore Notes to physician :Treat symptomatically. 77, No. It absorbs water from the atmosphere. We are 100% internet based and focus on SEO to provide easy to find, easy to locate specialty chemicals and related feed equipment at competitive pricing. Do not use in food and beverages. It is difficult to monitor. An additional concern is glycol contamination. The corrosion characteristics of some selected types of aluminum in uninhibited ethylene glycol/water solutions have been studied under conditions relevant to the operation of aluminum solar heat collector systems. Measurements of linear polarization resistance and maximum pit depth were used to assess the extent of corrosion activity. Glycol degradation occurs when the glycol is exposed to high temperatures, particularly in the presence of oxygen or oxidizing agents. At 413/sup 0/K, the corrosion rate of copper was considerably higher than that of iron or aluminum at low flow velocity. Without glycol, these systems would seize up & expand dramatically, leading to deformed pipes or burst connections. Read More > - + Add to cart FREE Shipping Included! It promotes corrosion after it degrades. Uninhibited ethylene glycol- Raw EG- Buy online store Raw Ethylene Glycol $ 24.00 - $ 96.00 For larger quantities please call us at (877) 244-5525 or email at info@dynalene.com Description Additional information Technical Specs Raw Ethylene Glycol Dynalene offers pure ethylene glycol that is available in technical grade. Studies 1 show that uninhibited ethylene glycol will degrade into five organic acids - glycolic, glyoxylic, formic, carbonic, and oxalic - in the presence of heat, oxygen, and common cooling system metals such as copper and aluminum. Order Now. This degradation results in the formation of organic acids, specifically, glycolic, formic and acetic acids. At 50 percent relative humidity, 100 percent uninhibited ethylene glycol will absorb 20 percent water at equilibrium. Using inhibited ethylene glycol in place of uninhibited ethylene glycol can save money over the lifetime of the chiller and tool. This low cost is due in part to the fact that these glycols do not include industrial inhibitor packages that help to prevent corrosion. Ethylene Glycol Pure Uninhibited, Undyed Section 4. With no corrosion inhibitors to buffer these acids, the corrosion rate of a solution of uninhibited glycol can be greater than that of plain water (which is highly corrosive). Glycol Oxidizes into organic acids as they degrade, especially when exposed to air or heated. Note that an uninhibited ethylene glycol solution is four-and-a-half times more corrosive towards carbon steel than plain water. Dynalene EG The amount of water absorbed from its environment is proportional to the percent relative humidity (figure 1). These disadvantages can lead to frequent fluid changing, which can cost users money in labor and parts. Contact poison treatment specialist immediately if large quantities have been ingested or inhaled. 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 3) the concentration of the de-icing agents is low and therefore does not induce corrosion ethylene glycol Safety Data Sheet according to Federal Register / Vol. Use of Uninhibited Glycol; Even through uninhibited glycols do lower the freeze point, they are often more corrosive than water. The amount of water absorbed from its environment is proportional to the percent relative humidity (figure 1). However, even purified water will cause serious corrosion problems unless treated with the proper level of inhibitors. The corrosion rate of ethylene glycol on iron, for example, is more than 2.5 times faster than plain water. 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. Our uninhibited products will ensure compatibility with . At 50 percent relative humidity, 100 percent uninhibited ethylene glycol will absorb 20 percent water at equilibrium. In turn, these acids lower the total solution's pH level. And parts fluid changing, which can cost users money in labor and parts Propylene is preferred ethylene. Of oxygen or oxidizing agents serious corrosion problems unless treated with the proper level of inhibitors //www.chemtex-chemicals.com/heat-transfer-fluids.html! 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