Ultracool Max Series

ULTRACOOL MAX SERIES are pre-mixed (ready to use) extended-life anti-freeze/coolant specially formulated from organic acids technology (OAT) inhibitor system. ULTRACOOL MAX SERIES does not contain nitrite, amine, phosphate, or silicate (NAPS-Free). It’s a combination of many organic acids which provides multi-metal corrosion protection, especially for aluminum.

ULTRACOOL MAX SERIES provides maximum protection against damaging rust and corrosion in engine cooling systems. This patent-pending technology (OAT) does not use 2-Ethylhexanoic acid (2EH) or any other organic acid that is aggressive to hoses and gaskets.