Chiller Ethylene Glycol

Industrial Coolant Grade — Bulk supply across India & International Markets

What is Chiller Ethylene Glycol?

Chiller Ethylene Glycol refers to industrial-grade Ethylene Glycol specifically formulated and supplied for use as a heat transfer fluid in chiller systems, HVAC installations, and industrial process cooling applications. Unlike automotive antifreeze, chiller glycol formulations are typically optimised with corrosion inhibitor packages suited to the metallurgy commonly found in industrial chiller systems, including steel, copper, and aluminium components.

Polychem Industries supplies Chiller Ethylene Glycol to HVAC contractors, industrial refrigeration companies, data centre cooling system operators, and process plants across India and internationally. Its primary function is to lower the freezing point of the circulating fluid in chiller loops, preventing freeze damage while maintaining efficient heat transfer in low-temperature cooling applications.

Available Grades

GradeFormPurityStandardApplications
Industrial Coolant GradeClear liquid (typically dyed)95–99% glycol concentration (with inhibitors)Industrial / HVACChiller systems, HVAC, process cooling, refrigeration

Applications & Uses

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Industrial Chiller Systems

The primary application. Used as a heat transfer fluid in process chillers across manufacturing, pharmaceutical, food and beverage, and chemical processing industries, providing freeze protection in low-temperature cooling loops.

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HVAC & Building Cooling Systems

Used in commercial and industrial HVAC chilled water systems, particularly in regions experiencing freezing temperatures, to prevent pipe and coil damage from freeze-up during cold weather shutdown periods.

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Data Centre Cooling

Used in data centre cooling loops and precision cooling systems where reliable, consistent heat transfer performance is critical for maintaining server room temperatures and preventing equipment downtime.

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Process Cooling Applications

Used in industrial process cooling applications including plastic injection moulding, laser cooling systems, and other manufacturing processes requiring precise temperature control of cooling water.

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Cold Storage & Refrigeration

Used as a secondary refrigerant in cold storage facilities, ice rinks, and certain refrigeration systems where glycol-water solutions circulate to transfer heat without direct refrigerant exposure.

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Solar Thermal Systems

Used in solar thermal heating systems as a heat transfer fluid that provides both freeze protection in cold climates and efficient heat transfer from solar collectors to the heating system.

Technical Specifications

Chiller Ethylene Glycol — Key Properties

Chemical FormulaC2H6O2 (HOCH2CH2OH) with corrosion inhibitor package
CAS Number107-21-1
Molecular Weight62.07 g/mol
AppearanceClear liquid, typically dyed for identification
Purity95–99% glycol concentration (with inhibitors)
Freeze ProtectionDown to -50°C depending on concentration
Density / Bulk Density1.05–1.13 g/cm3 (concentration dependent)
pH8.0 – 10.0 (buffered with inhibitor package)
Packaging Available200 L drums / IBC tanks / Bulk tanker
StorageStore in cool, dry place in sealed containers. Pre-mixed or concentrate forms available — verify dilution requirements before use.

Why Source Chiller Ethylene Glycol from Polychem Industries?

  • Industrial coolant grade formulated for chiller and HVAC systems
  • Available pre-mixed at common dilutions or as concentrate
  • Certificate of Analysis and MSDS provided on request
  • Reliable bulk supply for HVAC contractors and process plants
  • Competitive pricing with year-round availability
  • Export documentation experience for international shipments

Frequently Asked Questions

What concentration of glycol should I use for my chiller system?
The required glycol concentration depends on the minimum ambient or process temperature your system will experience. As a general guide, 25% glycol provides protection to approximately -10°C, 40% to approximately -23°C, and 50% to approximately -34°C, though exact freeze points vary by glycol type and inhibitor formulation. We recommend confirming exact concentration requirements based on your specific application before dilution.
Can automotive antifreeze be used in industrial chiller systems?
It is not recommended. Automotive antifreeze formulations are optimised for engine block metallurgy (aluminium, cast iron) and engine operating conditions, while industrial chiller glycols are formulated with inhibitor packages suited to the steel, copper, and brass components typically found in industrial and HVAC chiller systems. Using the wrong formulation can lead to inadequate corrosion protection.
How often does glycol coolant need to be replaced or tested?
Industrial glycol systems should typically be tested annually for glycol concentration, pH, and inhibitor depletion. Most well-maintained closed-loop glycol systems can operate for 3-5 years before requiring full fluid replacement, though this varies based on system conditions, contamination, and inhibitor consumption over time.
Do you export Chiller Ethylene Glycol outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. Contact us for export pricing and lead times.

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