PJ1 16-HIT Flat Black Hi-Temp Spray Paint (Aerosol), 11 oz PJ1 Fast Black Hi-Temp Exhaust System Paint was originally formulated for NASA for use on reentry spacecraft As a silica-ceramic hybrid, it moves with the metal as it heats/expands and cools/contracts to give it durability PJ1 Flat Black Exhaust Paint forms a protective shield against rust and corrosion Resists chipping and scratching Temperature Tolerance: Withstands up to 1500F