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Low-conductivity coolant for indirect battery EV thermal management

By Michelle Froese | March 28, 2025

Arteco’s Freecor EV Milli 10is a coolant specially designed for the indirect cooling of battery electric vehicles (EVs). It’s developed based on proven OAT technology and combines all-round corrosion protection.

Thanks to the exclusive combination of inhibitors and stabilizers, Freecor EV Milli 10 ensures low and stable electrical conductivity over time in the cooling system.

Additionally, Freecor EV Milli 10  contains a brazing flux compensation package, making it the first coolant of its kind to compensate for aluminum CAB brazing flux, thus improving the coolant’s compatibility with parts produced this way.

Freecor EV Milli 10 is specifically designed as a reduced electrical conductivity coolant (100 µS/cm) for indirect cooling of Battery Electric Vehicles. The EV coolant is available as a concentrate and ready-mix 50%.

The coolant provides five-fold protection:

1. Electrical safety

  • Stable and reduced electrical conductivity (< 100 µS/cm)
  • As it offers reduced electrical conductivity, the effects of short circuit paths are minimized
  • Significant reduction of the consequential generation of hydrogen due to electrolysis compared to classic water-based coolants

2. Material protection

  • All-round protection to metals, especially aluminium, cast iron, steel and stainless steel, red and yellow metals such as copper and brass
  • Compatible with common elastomers as well as thermoplastics typically found in these cooling systems
  • Ensured longevity of components and reduced maintenance

3. Flux stabilization

  • Freecor EV Milli 10 is the first coolant of its kind to compensate for aluminium CAB brazing flux, improving the compatibility of the coolant
  • Thanks to the exclusive combination of inhibitors and stabilisers, Freecor EV Milli 10 ensures low and stable electrical conductivity over time in the cooling system

4. Sustainability

  • Carefully selected organic additive technology

5. Freezing and boiling point

  • Maintenance-free protection against freezing and boiling.

Learn more here.

 

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Filed Under: Technology News
Tagged With: arteco
 

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