Sheffield 1440 Porcelain Touch Up Bisque. Features: Heat-Proof, Lead-Free, Washable, Waterproof, Chip-Proof. Withstands temperatures up to 400F degrees. 1 Fl. Oz. For all porcelain surfaces including stoves, sinks, and appliances. One coat does the job! Dries to a hard, bright finish. Chips, scratches, and nicks disappear with just one application.