▎ 摘　　要

NOVELTY - Iron rail rust inhibitor comprises component (A) comprising 50-90 pts. wt. ester oil, 30-50 pts. wt. graphene powder, and 30-50 pts. wt. polyimide, and component (B) comprising 20-50 pts. wt. ester oil, 1-10 pts. wt. rust inhibitor, and 20-30 pts. wt. amine antioxidant. USE - As iron rail rust inhibitor. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the iron rail rust inhibitor comprising adding graphene powder to the heated ester oil, stirring well, adding polyimide, and cooling after stirring well, and (b) adding the rust inhibitor to the heated ester oil, stirring well, adding amine antioxidant and stirring well before cooling.