​Permatex® 80038 Prussian Blue

 Permatex® 80038 Prussian Blue is a non-drying, blue, oily paste designed to aid in the precision fitting of machined surfaces by identifying high spots and points of interference. Commonly used in automotive, industrial, and mechanical applications, it ensures optimal contact between mating parts such as bearings, valves, and gears.​

Product Overview

 Type : Non-drying fitting compound

 Color : Prussian Blue

 Form : Paste

 Size : 0.75 fl oz (22 ml) tube

 Part Number : 80038​

Key Features

 Precision Fitting Aid : Highlights high spots on close-tolerance components, facilitating accurate adjustments.

 Non-Drying Formula : Remains workable over extended periods, allowing for thorough inspection and fitting.

 Easy Cleanup : Can be removed with common solvents, leaving no residue.

 Versatile Applications : Suitable for bearings, valves, gears, and other machined assemblies.​

Applications

 Automotive : Checking gear tooth contact patterns in differentials.

 Industrial Machinery : Ensuring proper fit of shafts and bearings.

 Engine Building : Verifying valve seating and other precision fits.​

Application Instructions 

 Preparation : Clean all surfaces to be tested.

 Application : Apply a uniform thin film of Prussian Blue to one surface.

 Assembly : Assemble the parts and rotate or move them as they would operate.

 Inspection : Disassemble and inspect the contact pattern; high spots will appear as bright blue streaks.

 Adjustment : Make necessary adjustments to achieve the desired fit.

 Cleanup : Wipe off the compound and clean surfaces with a suitable solvent.​

Safety and Handling

 Hazard Information : Contains petroleum distillates; may cause cancer.

 Precautions : Use in a well-ventilated area. Avoid contact with skin and eyes.

 First Aid : In case of contact, wash skin thoroughly and rinse eyes with water.

 Storage : Store in a cool, dry place away from heat and open flames.​