Royco^® 482 is an anti-corrosion oil used to preserve and protect internal combustion engines in aircraft. Royco^® 482 features an ashless additive package designed to prevent characteristic light green rust known to develop in aerospace engines.  Royco^® 482 is developed with highly refined petroleum base oils and a finely-tuned additive system to provide robust anti-corrosion performance.

Additionally, Royco^® 482 is developed to minimize the effects of ambient humidity and to neutralize acidic moieties from internal combustion engines oil oxidation and combustion by-products.