ZINCOT N-70 forms a heatresistant, Zinc-rich and inorganic silicate coating to protect any metal surface from rust and corrosion. Withstands temperatures to 400℃ and 500℃ dry heat and water temperatures to boiling point. Touch dries within 30 minutes. Several thin coats prevent rust in the most severe conditions. Although not a paint, it makes a first-class primer and touch-up.