Application Procedures Pour the Chemical into a clean container and apply with brush on the rusted area. (Spray Application is recommended for large area) For Spray Dilute the chemical upto 10% with water. A purple to black coating will begin to appear within 20 min. depending on temperature and humidity condition. Uneven color indicates the need for additional coat. For Maximum protection two coats Recommended. Apply The Second Coat with in 20-30 mins. of the first coat. Allow minium of 24 hours drying time before applying the final Color coat, If Required