por-15 45006 2 cans of gloss black rust preventative coating 4oz por - 15 absolute coatings (por15) rust preventive six pack, gloss black, 4 oz. part #:por-45006 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 450?f / 232?c