The Würth 66805856 ELASKON DINITROL RC 900 is a high-performance 400ml spray can designed for effective rust treatment on iron and steel surfaces. This advanced formula converts existing rust into a stable organic iron complex, providing long-lasting corrosion protection. It also functions as an excellent primer for subsequent painting. The treated surface dries to a black finish, offering good adhesion for various topcoats. It is dust dry in approximately 1 hour and touch dry in 2-3 hours at 20°C, with temperature resistance up to +120°C (short-term +150°C).