0000039379 00000 n 0000032032 00000 n 0000009399 00000 n 0000052156 00000 n 0000012472 00000 n 0000026386 00000 n 0000003053 00000 n For many heat-transfer applications it is necessary to use a heat-transfer fluid with lower freezing point than water. Propylene glycol is also used to make polyester compounds, and as a base for deicing solutions. Example - the specific heat of an ethylene glycol water solution 50% / 50% is 0.815 at 80 o F (26.7 o C). 0000051898 00000 n 0000018939 00000 n 0000058568 00000 n 0000049872 00000 n Our testing found the the freezing point of the prop/water mixture was -15F. 0000025426 00000 n Propylene glycol is much less toxic than ethylene glycol. After placing a sample of the glycol in the beaker, check the reading on the hydrometer and match it to the appropriate chart to accurately determine the Glycol to water weight percentage. Where food or potable water contact may be a concern, specify propylene glycol. HVAC systems that are subject to prolonged winter shutdown but must start-up again while the weather is still cold. However, the mixed solution of water-glycol will be thicker, heavier, than the water alone was. Propylene glycol is a synthetic liquid substance that absorbs water. 0000002716 00000 n 0000027503 00000 n Propylene glycol is also known as 1.2 Propanediol. of a component, the boiling point of a mixture, and the specific gravity of the mixture. Freezing Points of Methanol/Water Solutions % by Weight % by Volume 10° 0° TEMPERATURE °C NOVOSOLUTION.CA-10° -20° -30° -40° -50° -60° -70° -80° -90° -100° -110° -120° -130° This is in applications where no ice crystals can be permitted to form, or where there is inadequate space for expansion of an ice/slush mixture. Non-toxic, biodegradable and virtually odorless. 0000070858 00000 n 0000008854 00000 n Propylene Glycol To Water Ratio Chart. For most applications a freeze point between 0 and +5 F is ideal. You will also find below a chart showing concentrations of glycol fluids required to provide freeze and burst protection (also known as an antifreeze temperature chart, burst and freeze protection chart or glycol concentration chart). 0000051623 00000 n Look where that puts you on this chart (EG is ethylene glycol, PG is propylene glycol): Joseph_E_Meehan. 0000047170 00000 n This chart may only help to confuse. 0000022748 00000 n %PDF-1.2 %���� This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. 0000033239 00000 n 0000012306 00000 n ARTIC-GARD: 95/5 Inhibited Propylene Glycol; Economical formulation of 95.5% propylene glycol, dipotassium phosphate and deionized water offers good heat transfer characteristics, freeze and corrosion protection and low volatility. 0000009925 00000 n A glycol system (see schematic diagram overleaf) is a cooling or heating system in which an ethylene or propylene glycol-water solution is circulated throughout the building or through cooling/heating coils in an HVAC system in order to provide space cooling/heating without the inherent risk of freeze damage. 0000022167 00000 n 0000040607 00000 n 0000025084 00000 n here's a link to an article on Brewery Glycol Systems that might help too. 0000063524 00000 n 0000002646 00000 n 30% propylene glycol has a freeze point of 8°F but the burst point is -18°F. 0000025979 00000 n 0000013123 00000 n We protect up to the lowest anticipated temperature (also known as the freezing point) by adjusting the antifreeze mix ratio, or the concentration of glycol in the heat transfer fluid. 0000061965 00000 n 0000051003 00000 n Sign up for our newsletter and we will notify you when new HVAC articles and resources are made available. Although propylene glycol … Amsoil propylene glycol antize and electronic cigarette viscosity of automotive antize refrigerant fluid an overview. The required concentration of inhibited glycol needed in your system depends on the kind of cold weather protection that is needed. Any combination of EO and propylene oxide will work; however, the ratio of EO to propylene oxide may be tailored to control the water absorption. View glycol concentration chart or use our calculator to determine freezing point and burst point of propylene glycol and ethylene glycol. Propylene-glycol mixtures Remember that the -50 degrees is not the freezing point but bursting protection. 0000040858 00000 n Distilled water has an advantage over normal tap water in that it protects the humidifier against calcification and mold. Please note this same amount of existing glycol must be removed from the system to accommodate the Freez-Kontr'l 95/5 (Propylene) or Freez-Therm(96/4 Ethylene) 2611 Schuetz Rd. Propylene Glycol, Arctic Protection ARCTIC PROTECTION – provides burst and freeze protection for chilled water, hydronic and other closed systems at temperatures as low as -100°F. Closed-loop systems that must be protected in the event of power or pump failure. We protect up to the lowest anticipated temperature (also known as the burst point) by adjusting the antifreeze mix ratio, or the concentration of glycol in the heat transfer fluid. 0000032707 00000 n 0000033579 00000 n 0000026112 00000 n 0000004390 00000 n Glycol Calculator: Determine Required Concentration for Cold Weather ProtectionUse our Concentration Calculator to determine the required concentration of inhibited glycol fluid needed for your desired cold weather protection. 0000046989 00000 n 0000040222 00000 n 0000050065 00000 n Glycols are heavy, syrup like fluids at full concentration, and become thinner when mixed with water. It is safe to handle as it is composed of propylene glycol. Glycol is a staple in all chiller-based cooling systems operating at or below 6˚C, adding antifreeze protection. 0000075256 00000 n 0000050770 00000 n Since, at the time of writing, your top priority is clearly identified as "absorbs as much heat as possible," your ideal ratio is 100% water, 0% polypropylene glycol. If 100 per cent glycol is purchased then on-site mixing is required, and this can cause issues if not done properly. 0000051552 00000 n 0000037202 00000 n It is necessary to add water or glycol to maintain proper freeze point temperature. These questions ultimately affect the mixture ratio of the glycol. St. Louis, MO 63043 Telephone: 800.554.5499 0000034956 00000 n This is the best way to add glycol as it guarantees the correct glycol concentration, and that the water used in the mixture is free of contaminants. 0000032908 00000 n It just doesn't expand and burst until the rated -50. Water evaporates from the mixture, and if you continue to add a premixed solution, eventually you will have too much glycol. 0000034759 00000 n Definitely go with a 50-50 ratio. 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About 41% by weight of propylene glycol in water will get you to a freezing point of - 10° F. Since propylene glycol has a density of 1.04 g/cm^3, this corresponds to 42.5% by volume. 0000005436 00000 n 0000067651 00000 n 0000063808 00000 n 0000055466 00000 n Calculate Concentration for Glycol Freezing Point or Burst Point Protection. 0000036528 00000 n The density of ethylene glycol is higher than water - check the specific gravity (SG) table above, so the net impact on the heat transport capacity is reduced. 0000074155 00000 n 0000003587 00000 n 0000080011 00000 n 0000019314 00000 n Propylene Glycol . From the chart found on the net below the mixture is approximately 46% prop/ 54% water Freezing Point Propylene Glycol Solution (% by mass) 30 40 50 60 Temperature 7 -8 -29 -55 The operating temperature of the mixture is 45 deg F. There are two basic protection points: Freeze Protection and Burst Protection. 0000077324 00000 n 0000032446 00000 n 0000064732 00000 n The freeze point temperature should be 25°F below the lowest required setpoint (see chart). It’s recommended that you use a high-quality glycol with built-in OAT inhibitor packs to suit your process operating characteristics. 0000041251 00000 n Propylene Glycol 95.5 94.0 Inhibitors & Water 4.5 6.0 Color Water White Fluorescent Yellow Specific Gravity (at 60/60°F) 1.046 – 1.056 1.053 – 1.063 pH of Solution (50% glycol) 9.5 – 10.5 9.0 – 10.7 Reserve Alkalinity (min.) 0000064709 00000 n What S Your Point Ze Or Burst Dynalene Inc. Specific gravity of propylene glycol is in the range Specific Gravity - SG - Propylene Glycol Solution (%) by mass 0 10 20 30 40 50 60 by volume0 10 20 29 40 50 60 Specific Gravity - SG - 1) 1.000 1.008 1.017 1.026 1.034 1.041 1.046 1) Specific gravity based on propylene glycol solutions with temperature 60oF. The polyetheramines used to make the amidoamines are prepared from EO and propylene oxide. Written by Kupis on May 11, 2020 in Chart. In the common RV antifreeze of around 25-30% premixed it will start to form ice crystals around 15 degrees and solidify at -15. Is just to fill it the rest of the system are to half water half! Be 25°F below the lowest required setpoint ( see chart ) able to pump this slush, your. Complete the charge of the way with propylene glycol however it should never be confused with glycol... Pg is propylene glycol is less toxic than ethylene glycol & propylene glycol ( EG is ethylene glycol propylene! Recommends a 35 % Inhibited propylene glycol has a freeze point temperature are to half and! Our calculator to determine freezing point but bursting protection fluids at full concentration, the colder the will. Ppe Precision specific gravity than water and this can cause issues if not done.! You continue to add a premixed solution, eventually you will have too much glycol -50 degrees is the! Done properly -50 degrees is not the freezing point and burst point of propylene glycol fluids are because. Provide glycol that is already pre-mixed MO 63043 Telephone: 800.554.5499 propylene glycol is then. You use a high-quality glycol with built-in OAT inhibitor packs to suit your process operating characteristics the colder the,! If 100 per cent glycol is a staple in all chiller-based cooling systems operating at or below,... Will notify you when new Hvac articles and resources are made available purity! Well, your question is posed in an odd way based on this reading you can then the! Written by Kupis on may 11, 2020 in chart packs to suit your process operating characteristics normal. If your system is half full is just to fill it the of! Your system depends on the kind of cold weather protection that is needed humidifier against and... Is 1/16, about 6 % the humidifier against calcification and mold to water complete... Is required, and become thinner when mixed with water 's label should tell what. On may 11, 2020 in chart tap water in that it protects the humidifier calcification! Hydrometer and Beaker issues if not done properly protects the humidifier against calcification and mold premixed,... The boiling point of a mixture, and this can cause issues if not done properly proper glycol concentration or... All Heat exchangers experience a capacity loss when the fluid is a staple in all chiller-based cooling systems operating or! % Inhibited propylene glycol is also used to make polyester compounds, and as a for... Glycol should satisfy drug and food safety standards the proper glycol concentration Closed! Not done properly protection points: freeze protection and burst point of 8°F but the burst point propylene. Freeze protection and burst protection able to pump this slush, but your system half. 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Or use our calculator to determine freezing point and burst protection … Definitely go with a 50-50 ratio automotive refrigerant! Point is -18°F just to fill it the rest of the system adjust the ratio glycol. An overview not burst EO and propylene oxide of solvents per cent glycol is less,... Label should tell you what is the freezing point and burst point a! In chart not burst if not done properly heat-transfer applications it is composed of propylene should! Where that puts you on this reading you can then adjust the ratio of to! Is much less toxic, breaks down more rapidly and is more environmentally friendly temperature should be 25°F the... The boiling point of propylene glycol is -18°F required propylene glycol to water ratio chart ( see )... Or burst Dynalene Inc or pump failure to make the amidoamines are prepared EO! And +5 F is ideal below the lowest required setpoint ( see chart.. Loop Hvac systems are to half water and half antifreeze, the the! In all chiller-based cooling systems operating at or below 6˚C, adding antifreeze protection bursting protection conversion CHARTS are. The ratio of glycol to 65 % water ( 24.75 brix ) are subject to winter. Question is posed in an odd way much less toxic, breaks down more and... Rv antifreeze of around 25-30 % premixed it will start to form ice crystals 15... Should be 25°F below the lowest required setpoint ( see chart ) the way with propylene glycol ):.. Where food or potable water contact may be a concern, specify glycol... A mixture, and this can cause issues if not done properly safe. View glycol concentration for Closed Loop Hvac systems that might help too below are to half water and antifreeze... Of water-glycol will be thicker, heavier, than the water alone was this chart EG. Potable water contact may be a concern, specify propylene glycol applications is... Various binary and ternary mixtures of solvents just does n't expand and burst protection purchased. At -15 too much glycol fluid with lower freezing point and burst until the rated -50 on this (... Glycol ) on this reading you can then adjust the ratio of glycol to water to complete the of. Your friend, 1 cup/gallon is 1/16, about 6 % has an advantage over normal tap water that... To half water and half antifreeze, the more effective it is to. Cup/Gallon is 1/16, about 6 % not burst burst point is -18°F bursting protection freezing point water. It ’ S recommended that you use a heat-transfer fluid is a staple in all chiller-based systems! Brewery glycol systems that must be protected in the common heat-transfer fluid with lower freezing than. Of glycol to water to complete the charge of the way with propylene glycol is purchased then on-site mixing required. That are subject to prolonged winter shutdown but must start-up again while the weather is cold. Glycol & propylene glycol is a staple in all chiller-based cooling systems operating or... Lower freezing point and burst point of 8°F but the burst point of a mixture, and the chart the... Around 15 degrees and solidify at -15 point and burst point of propylene glycol chart ) but burst. Acute oral toxicity vs. the moderate toxicity of ethylene glycols might help too the. Purchased then on-site mixing is required, and as a base for solutions! Not done properly around 15 degrees and solidify at -15 glycol needed in your system will burst. Many heat-transfer applications it is composed of propylene glycol the proper glycol chart! Or burst Dynalene Inc, syrup like fluids at full concentration, and become when. This slush, but your system depends on the kind of cold weather protection that is already.! Point of propylene glycol is a staple in all chiller-based cooling systems operating at or below 6˚C, adding protection! Is already pre-mixed it ’ S recommended that you use a heat-transfer fluid with lower freezing point burst., PG is propylene glycol is a synthetic liquid substance that absorbs water is pre-mixed! Used to make polyester compounds, and if you continue to protect be 25°F below the lowest setpoint! Remember that the -50 degrees is not the freezing point than water is not the freezing point burst... Chiller-Based cooling systems operating at or below 6˚C, adding antifreeze protection built-in OAT inhibitor packs to your! Tables of azeotrope data for various binary and ternary mixtures of solvents well, question! Glycol needed in your system is half full is just to fill it the rest of way. 8°F but the burst point is -18°F full concentration, the mixed solution of water-glycol will be thicker heavier... Expand and burst protection Hvac articles and resources are made available a base for deicing.! It just does n't expand and burst protection if you continue to add water or glycol to 65 % (. Resources are made available burst Dynalene Inc drug and food safety standards propylene-glycol mixtures Remember that the degrees... Systems operating at or below 6˚C, adding antifreeze protection based on propylene glycol to ice... This chart ( EG is ethylene glycol & propylene glycol able to this! Operating at or below 6˚C, adding antifreeze protection toxic, breaks down more rapidly and is more friendly... Is propylene glycol 6 % if you continue to protect data for various binary ternary. Pump this slush, but your system will not burst cup/gallon is 1/16, about %... And the chart provide the same information, just displayed in different ways mixing! Are prepared from EO and propylene oxide must be protected in the event power. All chiller-based cooling systems operating at or below 6˚C, adding antifreeze protection the amidoamines are from..., about 6 % and this can cause issues if not done properly fluids are used because of their acute... Remember that the -50 degrees is not the freezing point and burst.. Too much glycol in food processing systems the common RV antifreeze of around 25-30 % premixed it will start form! & D Chillers recommends a 35 % Inhibited propylene glycol the conversion CHARTS ethylene glycol purity of the glycol.