propylene glycol based heat-transfer fluids

Selecting and Maintaining Glycol Based Heat Transfer

Selecting and Maintaining Glycol Based Heat Transfer Fluids Experts from Chem-Aqua offer guidelines for selecting and maintaining a facility glycol system that will allow you to protect your facility's heating and cooling systems for decades to come by Allan Browning and David Berry — Glycol-water mixtures are commonly used in facilities to provide freeze protection in HVAC closed loop

What are Heat Transfer Fluids?

Whilst water remains the most efficient and cheapest heat transfer fluid it has several chemical and physical limitations that can affect thermal performance system reliability and maintenance expenditure Subsequently many alternative fluids have been formulated that facilitate effective heat transfer but also improve upon the basic characteristics of water

Propylene Glycol

Propylene Glycol is commercially produced through a chemical reaction between Propylene Oxide and a catalyst Global capacity is in excess of 1 5 million tonnes per year Propylene Glycol - main uses Water based heat transfer fluids which require an antifreeze function Secondary refrigerants (liquid) in large cooling systems where the primary refrigerant (gas) and associated plant are

Dow Heat Transfer Fluids Highlights Insights

DOWCAL™ heat transfer fluids has multiple grades stemming from ethylene and propylene based glycols to meet a wide range of system requirements When you choose DOWCAL™ you can be confident the fluid will provide long-lasting protection and performance without jeopardizing the integrity of your equipment DOWCAL™ can be used in a variety of applications from renewable energy HVAC

Heat Transfer Fluids

We produce a range of inhibited glycol coolant-based heat transfer fluids which are used across heating cooling including Ground Source Heat Pumps and many other industrial applications And our products also offer protection to the ground air and water source heat pumps green technology and HVAC Systems as well as providing comprehensive antifreeze and corrosion protection

Zitrec F

Zitrec F is miscible with the majority of conventional heat transfer fluids based on propylene glycol However to protect against corrosion we recommend using it without any mixing Zitrec F is a heat transfer fluid based on mono propylene glycol Zitrec FC should only be diluted with softened water The combination of FDA-approved ingredients a low level of toxicity and a high

Antifreeze

The most common water-based antifreeze solutions used in electronics cooling are mixtures of water and either ethylene glycol (EGW) or propylene glycol (PGW) The use of ethylene glycol has a longer history especially in the automotive industry However EGW solutions formulated for the automotive industry often have silicate based rust inhibitors that can coat and/or clog heat exchanger

Glycol Coolants

INTERCOOL P-300 is a propylene glycol based industrially inhibited heat transfer fluid with an operating range of -60F to 320F engineered for applications that demand a low-toxicity fluid to satisfy environmental concerns and where propylene glycol use is demanded by law Industrial Inhibitors Intercool P-300 contains industrial corrosion control inhibitors which have been specially

White Paper: Guidelines for Selecting and Maintaining

Guidelines for Selecting and Maintaining Glycol Based Heat Transfer Fluids David Berry – Engineering Manager Chem-Aqua Canada Allan Browning – Technical Marketing Manager Chem-Aqua Inc Glycol Based Heat Transfer Fluids Glycol-water mixtures are commonly used to provide freeze protection in HVAC closed loop heating and cooling systems Glycol is also regularly used to allow

88888 APCCO Glycol Brochure 0914

DOWFROSTTM propylene glycol-based heat transfer fluids are backed by a comprehensive package of APCCO service supported by Dow APCCO technical service personnel can provide you with fluid related information to better enable you to design operate and maintain your thermal fluids system for maximum productivity and economy For systems containing 250 gallons (950 liters) of DOW

FAQs for Glycol Based Heat Transfer Fluids

Aluminum is a great material to use in a heat transfer fluid system however typical corrosion inhibitors may not be good enough to protect the product The pH of typical glycol-based heat transfer fluids is too high ( 9 0) Aluminum behaves well at a pH of 4 5 to 8 5 You can either adjust the pH of your fluid or add an aluminum corrosion

Glycols Heat Transfer Fluids: A Look at Thermal

Table 1 presents thermal conductivity of the three glycols in a typical mixture of 50 percent deionized water and 50 percent glycol Thermal conductivity of the three glycols in a typical mixture of 50 percent deionized water and 50 percent glycol is presented in Table 1 The thermal conductivity of ethylene glycol is the best followed by propylene glycol and the bio-based glycol which have

The Best Heat Transfer Fluids for Liquid Cooling

Water deionized water glycol/water solutions and dielectric fluids such as fluorocarbons and PAO are the heat transfer fluids most commonly used in high performance liquid cooling applications It's important to select a heat transfer fluid that is compatible with your fluid path offers corrosion protection or minimal risk of corrosion and meets your application's specific

Dow Chemicals Heat Transfer Fluids

Dow glycol-based fluids include inhibited ethylene glycol (EG) and propylene glycol (PG)-based fluids Dow heat transfer fluids: Dowtherm G Dowtherm RP Dowtherm Q Dowtherm A Dowtherm J Dowtherm SR-1 Dowtherm 4000 Dowcal Syltherm XLT Syltherm HF Syltherm 800 Ucartherm HTF Dowfrost Dowfrost HD

SAFE

Heat Transfer Fluids | Inhibited Propylene Glycol Fluids | SAFE-T-THERM HD SAFE-T-THERM HD Heavy Duty Inhibited Propylene Glycol-based Heat Transfer Fluid SAFE-T-THERM HD fluid is a heavy duty formula designed for use in hydronic systems for freeze and corrosion protection SAFE-T-THERM HD is designed to extend fluid life where service temperatures are higher and the likelihood

Experimental investigation of heat transfer and friction

Convective heat transfer and friction factor characteristics of water/propylene glycol (70:30% by volume) based CuO nanofluids flowing in a plain tube are investigated experimentally under constant heat flux boundary condition Glycols are normally used as an anti-freezing heat transfer fluids in cold climatic regions Nanofluids are prepared by dispersing 50 nm diameter of CuO nanoparticles

Propylene Glycol based Heat

For many heat-transfer applications it is necessary to use a heat-transfer fluid with lower freezing point than water The most common antifreeze fluid - ethylene glycol - must not be used where there is a chance of leakage to potable water or food processing systems In food processing systems the common heat-transfer fluid is based on propylene glycol

Heat Transfer Fluids

Sprinkler Safe is an environmentally safe and biodegradable propylene glycol-based anti-freeze for Available in 1 5 30 and 55 gallon container sizes close Heat Transfer Fluids Are Designed For Use With HVAC Systems Refrigeration Systems Fire Sprinklers And More Heat Transfer Fluids meet a wide variety of heating and cooling system needs to maintain efficiently working systems for

Recofreeze PG Fluids

Propylene glycol based heat transfer fluids are commonly used in applications where low acute oral toxicity is a requirement or when a potential exists for contact with food or potable water All RECOFREEZE PG heat transfer fluids come in concentrate or pre-diluted solutions are biodegradable and will not concentrate in water systems

Engineering and Operating Guide for DOWFROST and DOWFROST

for DOWFROST inhibited propylene glycol-based heat transfer fluids Included in the guide are: a brief introduction to DOWFROST fluids typical product specifications system design and preparation guidelines glycol concentration and dilution water quality information plus detailed engineering data including density viscosity specific

Propylene Glycol: Solar Heat Transfer Fluid

Propylene glycol (PG) has become the most common heat transfer fluid used in closed-loop solar heating systems that contain antifreeze It has a long track record over many decades in this application and is widely available from a number of sources This is not automotive antifreeze which is a different substance (ethylene glycol) and is much more toxic and should never be used in domestic

Heat Transfer Fluids

Dynalene's line of heat transfer fluids includes high performing glycol-based coolants such as Propylene Glycol Ethylene Glycol BioGlycol Solar Glycol GeoGlycol and liquids manufactured involving innovative and proprietary chemistries such as potassium formate hydrocarbons silicone and molten salts Dynalene fluids are offered in 1 5 30 55 and 265-gallon containers as well as

ThermalStar

ThermalStar hydronic heat transfer fluid is a fully inhibited propylene glycol based solution designed for applications where incidental contact with humans food or beverage products could occur It is for this reason that ThermalStar is produced using only new GRAS propylene glycol The inhibitor package is scientifically formulated of new food grade ingredients and blended into the

Heat Transfer Fluids

Dynalene's line of heat transfer fluids includes high performing glycol-based coolants such as Propylene Glycol Ethylene Glycol BioGlycol Solar Glycol GeoGlycol and liquids manufactured involving innovative and proprietary chemistries such as potassium formate hydrocarbons silicone and molten salts Dynalene fluids are offered in 1 5 30 55 and 265-gallon containers as well as

Online customer service

Welcome ! If you have any questions or suggestions about our products and services,please feel free to tell us anytime!