Our automotive metal iron powder rust remover contains citric acid, sodium carbonate, and disodium EDTA. It can quickly react with the rust on the metal surface, effectively remove the rust layer, restore the smoothness of the metal surface, form a solid protective film on the metal surface, effectively isolate air and moisture, prevent the metal from rusting again, and extend the service life. Its usage is very simple: spray an appropriate amount of this product on the rusty surface of the car, wait for a few minutes, and wipe the surface clean with the included towel. It can remove rust efficiently, quickly restore the metallic luster, and reduce coating peeling or discoloration caused by environmental factors. 1set Automobile Metal Iron Powder Rust Remover Rust Removal and Decontamination Content: 124g Ingredients: Citric Acid, Sodium Carbonate, Disodium EDTA