Water-based Metallic Paint Antirust Primer Refurbishment Rust Prevention Iron Metal Surface Clean Protect Rust Removal Paint. Specifications: Condition: 100% brand new and high quality. Item Type: Car Chassis Rust Converter. Content: 100g / 100gx4pc / 100gx10pc. Shelf Life: 3 years. Storage method: Store in a cool dry place. How to use: 1. Clean the floating dust, oil stains, and rust stains that are easy to fall off on the surface of the painted object. 2. After cleaning, paint the metal surface. After the rust-free primer is applied, the original rust is transformed into a layer of composite film with strong adhesion. 3. Wait for 10 minutes, the rust turns into a black primer. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3g deviation due to manual measurement.