RAPTOR Flame Proof Primer Gray Advanced Ceramic Technology (incorporates advanced heat- pigment technology) - Heat up to 2000°F. Superior protection from heat, oil and other automotive fluids. Excellent adhesion – won’t blister, flake, crack or peel. Clog Free Spot Nozzle – ideal for 3D surfaces . 5x Tougher than ordinary paints. Ideal for use on exhaust manifolds, headers, exhaust systems and other areas that require protection from very high heat. Suitable for use on all types of primed metals including steel and alloys UP4940