Rust Preventive Six Pack, Gloss Black, 4 oz. Single component permanent moisture cured urethane. Non-porous coating. . Self-leveling when applied with a brush. Uses: automotive, marine, industrial, and home. Protects your investment. Completely waterproof. Abrasion chemical, stain, and impact . Effectively adapts to the expansion and shrinkage of surface caused by temperature changes. Does not crack, chip, or peel from the surface substrate. Eliminates the need for a sacrificial zinc primer system. Heat up to 450oF / 232oC 45006 Yes - CARBON BLACK (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE)