ltem description from the seller
Our rust free primer contains a water-based primer. It can resist high and low temperature, crack resistance, cover rust stains, is a new type of environmental protection water-based metal paint; This product has no irritating odor, health and environmental protection. Its use method is very simple: first remove the floating dust, oil stains, rust stains, etc. that are easy to fall off the surface of the coated object, and after cleaning, paint the metal surface. a composite film with strong adhesion, and wait for 10 minutes, the rust becomes a black primer. After use from the source to prevent rust, easy to remove rust, scratches, extend the service life.