Permatex part number 80038 is a Prussian Blue layout compound in a 0.75 oz. tube, used to identify high spots and contact patterns on machined surfaces. Applied to bearings, gears, valves, and other close-tolerance components, it transfers a blue film that reveals where metal-to-metal contact is occurring during fitting and inspection. The compound is non-drying, so it stays workable during the fitting process and wipes away cleanly when the job is done. Sold by Pro Gear and Transmission. Call us to confirm this is the right compound for your application.

Permatex 80038 Prussian Blue aids precision fitting of machined surfaces by locating high spots on bearings, valves, gears, and other close-tolerance components. The non-drying formula remains workable throughout the fitting process and cleans up easily when finished.