New Industry Specifications Prompt Optimized Electric Vehicle Fluids from Prestone

Upcoming industry specifications for electric vehicle coolants has led Prestone Products to develop three low-conductivity, corrosion-protectant thermal management fluids that will be compliant with the new standards, according to CHARGED Electric Vehicles Magazine.

The new EV coolant-specific GB29743.2 standard will require a significant reduction in the electrical conductivity of coolants by mid-2026 in order to improve battery safety. While the standard will apply to OEMs operating or selling vehicles in China, it’s expected to become a global standard in time.

Prestone has released three products to comply with this standard, the first of which being a silicate organic inhibitor technology EV thermal management fluid that provides optimized reserve alkalinity to extend an EVs lifespan.

A new low-conductivity phosphate organic acid technology EV thermal management fluid from Prestone will also aim to provide corrosion protection and compatibility with flux-brazed aluminum. The fluid contains no silicate, borate, or amine.

Finally, Prestone has developed an ultra-low conductivity fuel cell coolant from the ground up, designed to work with PEM fuel cell stacks and accommodate the ultra-low electrical conductivity for cooling fluid found in hydrogen fuel cells. The company utilized high-purity and non-ionic corrosion inhibitors to develop the formula.

“Corrosion poses a significant threat to the longevity and reliability of automotive components, especially in the highly sensitive, intricate systems found in electrified vehicles,” said Matt Kern, senior director of global sales for Prestone. “Prestone’s thermal management fluids serve as an ally in combating corrosion and forming a protective barrier that shields these systems from the harmful effects of corrosion.”