Castrol Optileb AT 15 Food Grade Lubricant. Castrol Optileb™ AT 15 is a white oil, food grade, air tool lubricant specially formulated using additives and base fluids listed in the Food and Drug Administration CFR 21 Part 178.3570 It is approved by NSF as a H1 food grade lubricant.;Application;Optileb AT 15 is designed for use in hand held air tools for use in applications where incidental food contact can occur. It provides good lubrication properties whilst maintaining the food contact requirement enabling it to be used in food processing applications. This product is acceptable as a lubricant with accidental food contact for use in official establishments operating under the Federal meat and poultry products inspection program.;Advantages;Excellent coalescing of oil mist reduces the carry over into the atmosphere.;Good water seperation allows removal at the tank.;Corrosion resistance protects the machinery parts especially in moist atmospheres.;Optimum antiwear performance reduces wear and damage to the air jacket and air tools.;Physiologically safe, NSF H1 approved.