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Heat Transfer Fluids

Discover Antifrogen™

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Since more than 75 years, Clariant's Antifrogen™ has been the trusted name in heat transfer fluids (HTF). Our advanced formulations offer superior protection against corrosion and frost, ensuring the longevity and efficiency of your thermal systems. Whether you're managing building climate control, food refrigeration, or harvesting solar and geothermal energy, Antifrogen's versatile portfolio has a solution tailored to your needs. Our commitment to excellence extends beyond the product itself. With dedicated fluid service and digital tools, we provide comprehensive support to maximize your system's performance.

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All purchases can be made through our trusted distributor network. Find your local representative

The image shows a person sitting on top of a wind turbine, wearing safety gear including a helmet and a harness. The person appears to be inspecting or maintaining the turbine. The background features a landscape with multiple wind turbines scattered across the fields and hills, under a clear blue sky with some clouds. The scene suggests a focus on renewable energy and the maintenance of wind power infrastructure.

Antifrogen™ - The heat transfer fluid for your peace of mind

DIVERSE PORTFOLIO

  • Product range includes various glycol-based antifreeze fluids for different needs
  • Proven specialty cold temperate brine for maximum energy efficiency

GLOBAL SUPPLY NETWORK

  • Professional & well experienced distribution network enabling prompt access to entire product range

FLUID PERFORMANCE MONITORING

  • Antifrogen™ Service tracks fluid quality for optimal equipment protection
The image shows a circular diagram with six segments surrounding a central image of water. Each segment contains an icon:

1. A water droplet
2. A shield
3. A factory
4. A light bulb
5. A speedometer or gauge
6. A globe

The outer ring has alternating grey and white segments, with the grey segments aligned with the water droplet, shield, and light bulb icons.

This diagram likely represents different aspects or factors related to water, such as:

- Water quality or purity (water droplet)
- Protection or safety (shield)
- Industrial use or impact (factory)
- Energy or innovation (light bulb)
- Performance or efficiency (speedometer)
- Global or environmental considerations (globe)

If you need a specific analysis or explanation, please provide more context or ask a particular question about the image.

PEACE OF MIND APPLICATION

  • Reduced costs: Advanced inhibitors extend fluid life and protect equipment
  • Exceeds ASTM 1384 HTF standard
  • Reliable frost protection

BROAD APPLICATION FIELDS

  • Diverse portfolio for multiple applications: HVAC, food cooling, renewable energy
  • Certified for critical uses like sprinkler systems

TECHNICAL EXPERTISE & SUPPORT

  • Antifrogen™ Calculator: Online tool for frost protection levels and product information
  • Expert technical support from experienced application lab

Explore our applications

  • Food and beverage
    Our heat transfer fluids help remove excess heat quickly which is crucial for meeting tightening food and beverage safety standards and maintaining shelf life.
    more
  • HVAC
    Heating, ventilation and air conditioning (HVAC) systems are the backbones for a comfortable environment in commercial and residential buildings.
    more
  • Industrial process cooling
    Our heat-transfer fluids are essential for industrial process cooling applications even at extremely high or extremely low-temperature conditions.
    more
  • Renewable energy sources
    Our heat transfer fluids support renewable energy sources such as solar thermal systems, geothermal energy applications, and wind turbines.
    more
  • Other applications
    Our Antifrogen™ fluids provide an efficient and sustainable solution for your special applications and protect your installation from frost and corrosion.
    more
  • Sprinkler systems (VdS)
    Antifrogen L water mixtures are used as antifreeze in sprinkler systems and provide reliable and long-lasting protection against frost, corrosion and deposits.
    more

Antifrogen™ – Established brands for all applications

This image shows a circular chart with six segments, each representing a different type of Antifrogen™ product. The segments are color-coded and labeled as follows:

- Light turquoise: Antifrogen™ N
- Medium turquoise: Antifrogen™ L
- Dark turquoise: Antifrogen™ SOL HT
- Orange: Antifrogen™ SOLAR
- Light orange: Antifrogen™ KF
- Very light orange: Antifrogen™ GEO

The chart is accompanied by a water image in the center, possibly indicating the products' relation to fluids or cooling systems.
  • The universal solution for heat transfer fluid applications
  • Superior corrosion protection
  • Based on monoethylene glycol (MEG)


  • The fluid for food and pharma industry applications
  • Superior corrosion protection
  • Based on monopropylene glycol (MPG)


  • Solar heating systems exposed to high thermal loads
  • Superior corrosion proection and thermal stability
  • Based on higher boiling glycols


  • Flat-plate collectors and heat pipe systems
  • Based on monopropylene glycol (MPG)


  • Energy-efficient solution for very low temperatures
  • Based on potassium formate
  • Permanent usage temperatures: -53 to 60°C


  • The solution for geothermal systems
  • Efficient protection of materials typically applied in heat pump technology
  • Based on monoethylene glycol (MEG)

Antifrogen™ – Established brands over a broad temperature range

The image shows a temperature range comparison for different types of Antifrogen™ products. Here's the information extracted:

1. **Antifrogen™ N**
   - Temperature range: -50°C to 150°C

2. **Antifrogen™ L**
   - Temperature range: -25°C to 150°C

3. **Antifrogen™ SOL HT**
   - Temperature range: -23°C to 200°C

4. **Antifrogen™ SOLAR**
   - Temperature range: -28°C to 150°C

5. **Antifrogen™ KF**
   - Temperature range: -53°C to 60°C

6. **Antifrogen™ GEO**
   - Temperature range: -21°C to 40°C

The chart visually compares the operating temperature ranges of these antifreeze products.

Find your distributor

Antifrogen™ online calculator

With the help of this program you may run a variety of calculations for the use of Antifrogen™.

Antifrogen™ analysis service for your installations

The performance of Antifrogen™ / water mixtures should be checked approximately every two years.

Check below the detailed process of getting a voucher and sending a sample.

Clariant Image Antifrogen process 02 EN

To purchase a voucher, please contact your distributor where you buy Antifrogen™ from.

Are you a distributor?

Then you can access the Distributor Portal by clicking on this link.

Technical questions? Please get in contact with us.

All purchases can be made through our trusted distributor network. Find your local representative

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