Coolelf Plus Evo -37°C is a "very-long-life" next generation premium engine antifreeze based on monoethylene glycol and containing cutting-edge silicate inhibitor technology with phosphate supported by a robust organic backbone (OAT - Organic Additive Technology). Coolelf Plus Evo -37°C is a versatile and multifunctional coolant designed to cope with the most extreme engine conditions for Internal Combustion Engines and Battery Electric Vehicles by providing hard water and oxidation stability. Coolelf Plus Evo -37°C is free from nitrites, borates, amines and 2-ethylhexanoic acid (2-EHA). Coolelf Plus Evo -37°C ensures year-round frost and corrosion protection. The coolant can be used in a wide range of drivetrains. It is especially designed for use in modern Internal Combustion Engines (ICE), Hybrids and indirect cooling systems of Battery Electric Vehicles (BEV). Coolelf Plus Evo -37°C coolant is ready for use, as a mix with demineralised water. Coolelf Plus Evo -37°C can be used for cooling systems made of iron, steel, aluminium as well as copper alloy. It is compatible with rubbers and engineering (thermo)plastics. Recommended coolant change interval*: • 500 000 km/4 years when used in trucks • 250 000 km/5 years when used in cars. *It is recommended to refer to the vehicle’s maintenance manual. Coolelf Plus Evo -37°C is compatible with most other coolants based on ethylene glycol such as (former) Si-OAT coolant generations. Exclusive use of product is however recommended for optimum performance. Organic technology ensures a long-term action to offer maximum protection against any type of corrosion, erosion and cavitation, even at high temperatures. • Thermal oxidative stability • Controlled Atmosphere Brazing (CAB) flux compatibility • State-of-the-art silicate stabilisation • Outstanding aluminium passivation • Excellent hard water stability Prevents the formation of gels or deposits in the cooling system. Replaces/compatible with former Si-OAT and hybrid Si-OAT generation coolants. Carefully selected additives to reduce environmental impact.