Additive Package T4208 is a gear oil additive package designed for automotive and industrial applications. It has passed the SwRI L-37-1 bench test and is composed of carefully selected high-quality additives. When blended with oils, T4208 provides exceptional high-temperature oxidation resistance, corrosion resistance, antifoaming, and demulsification properties. It effectively prolongs the service life of gear teeth and bearings while also reducing filter blockages. T4208 is ideal for blending gear oils that meet API GL-5 and GL-4 specifications.