Absolute Coatings (POR-15) rust preventive, gloss black, gallon part :POR-45001 single component permanent moisture cured urethane non-porous coating chemical resistant self-leveling when applied with a brush. Uses: automotive, marine, industrial and home. Protects your investment. Completely waterproof abrasion chemical, stain, and impact resistant. 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 resistant up to 450F / 232C.