When Do I Apply the Next Coat of Rust Bullet or Rust Bullet BlackShell®?
When applying additional coats of a Rust Bullet coating, the previous coat should not be wet or tacky; if you are unable to transfer the coating to a gloved finger, the surface is ready for an additional coat. Approximate drying time between coats is two (2) to four (4) hours for Rust Bullet, and six (6) to ten (10) hours for BlackShell, depending on humidity levels. When excessive wet film is applied, additional cure time will be necessary. Rust Bullet Coatings are moisture sensitive; in high humid conditions of 80%+, Rust Bullet will cure much faster than it will in lower humidity. When applying additional coats from one day to the next, especially in the morning, make sure there is no dew or condensation on the previous coat. The surface to be coated must be completely dry. It is important that corners, edges, and heavily pitted areas are adequately covered. When Rust Bullet cures, it pulls tight to the center; therefore, it is particularly important that edges and corners are suffi
