The longest service life in the Permafrost™ lineup. Completely free of Nitrate, Nitrite, Amine, Phosphate, and Silicate (NAPS-free). Uses organic acids without 2EH, safe for hoses and gaskets. Provides multi-metal corrosion protection with scale inhibitors and dispersants. Suitable for on-highway, off-road, marine, agricultural, mining, and construction equipment.
Inhibitor Type
Organic Acid (NAPS-free)
On-Highway Heavy Duty Off-Road Equipment Marine • Mining Agricultural Construction Equipment
Meets / Exceeds ASTM D-1122 through D-7583 • Cummins • Detroit Diesel • Freightliner • General Motors • Kenworth • PACCAR • Mercedes-Benz • MTU • International • John Deere • Mack Truck • Ford • Peterbilt • Volvo • MAN • Scania