These questions ultimately affect the mixture ratio of the glycol. There are two main types of glycol common to heating and cooling use: Propylene glycol (PG), and ethylene glycol (EG). When they do freeze up people call their insurance man. GPM = BTUH / (GPM XΔT X 500 X CORRECTION FACTOR) The correction factor depends on the … It freezes at 32°F and boils at 212°F. This means it has a low freezing point and has inhibitors which don’t cause the metal to rust. It is a colorless, odorless, slightly syrupy liquid that is a bit thicker than water. Prevent your pipes from freezing with pipe antifreeze from Grainger. in food & beverage processing and where there are other environmental risk considerations - such as … Propylene glycol (PG) has become the most common heat transfer fluid used in closed-loop solar heating systems that contain antifreeze. Its chemical neutrality makes it a suitable carrier for active ingredients in vaccines, local anesthetics, vitamins, and syrups. Propylene Glycol - USP - Kosher - Food Grade - USP - Kosher - 36 oz net wt in a 1 Quart Safety Sealed HDPE Container with resealable Cap 4.6 out of 5 stars 1,302 $18.97 $ 18 . Propylene Glycol (PG), also referred to as Mono Propylene Glycol (MPG), has traditionally been selected for cooling and heating systems where a non-toxic classification is required. But, there is another member of the glycol family that fits the needs of liquid process cooling and heating systems. 9 products. Free shipping on all orders. It may exist in air in the vapor form, although propylene glycol must be heated or briskly shaken to produce a vapor. Paying to maintain and operate a propylene glycol filled heating system is like buying insurance TWICE. Effective in heat exchangers, hydronic heating, solar systems … E.g. Propylene glycol USP is approved by the Food and Drug Agency (FDA) as a drug solvent for oral, topical, and injectable formulations. Propylene Glycol. Provide superior protection with 55 Gallon Drums of TRUEGARD Propylene Glycol Inhibited-Heat Transfer Fluid 50/50 from Keller-Heartt. Propylene Glycol has for many years been the go-to glycol for use in food and beverage processing systems or where there is a requirement for a non-toxic classification. Shop today! Propylene glycol is less toxic, breaks down more rapidly and is more environmentally friendly. In engine coolants, propylene glycol is mainly used to reduce the freezing point of the liquid, thus preventing the cooling system and the engine from corrosion, overheating and freezing. zPropylene Glycol 8.62 zDipropylene Glycol 8.53 zTripropylene Glycol 8.51 Volume changes resulting from heating or cooling glycol-water solutions may be readily calculated from the data presented in the below graphs. Using a 50% propylene glycol solution. Glycol or other spent fluids evacuation from HVAC loops, geothermal loops, ice rinks, process heating and cooling systems, etc. Where food or potable water contact may be a concern, specify propylene glycol. contains a propylene or ethylene glycol, these values should be included. Propyleneglycol is considered non-toxic, or at least the FDA labels it at low-acute oral toxicity. It is is a chemical found in personal care products that acts as a penetration enhancer that keeps products from melting in heat and/or freezing when it is cold. Ethylene Glycol is the most common antifreeze fluid for standard heating and cooling applications. It takes so little to keep a home from freezing with a little forethought. The FDA classifies propylene glycol as an additive that is “generally recognized as safe” for use in food – not exactly a ringing endorsement. Propylene glycol is practically odorless and tasteless. The glycol inside our electric radiators is a ready to use propylene glycol based non-toxic heat transfer fluid with anti-freeze and anti-corrosion inhibitor functions designed for heating systems and sealed radiators. Propylene glycol should be replaced when it turns a reddish color. For example, in heating 10,000 lb of PG from … Glycol is a mystery fluid to many in the HVAC industry, but it is an essential tool for designing many different types of HVAC systems. It has a long track record over many decades in this application and is widely available from a number of sources. Solar Mate, HD 8005, Propylene Glycol / Solar Glycol, Heat Transfer Fluid Solar Mate HD 8005 is a premixed reversible vaporizable special propylene glycol based heat transfer fluid, for solar heating installations. 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