The Herschell Anti-Scuff Spray is a professional-grade assembly lubricant specifically formulated as a Molybdenum Disulphide (MoS2) paste in a convenient aerosol form. It is designed to provide a low-friction, heavy-duty protective coating for metal components during the critical "running-in" or assembly stages, where metal-to-metal contact and seizure are most likely to occur.
Technical Specifications
- Size: 400ml Aerosol.
- Base: Molybdenum Disulphide (MoS2).
- Temperature Range: -45C to +450C.
- Load Capacity: Capable of withstanding extreme pressures (2750 MPa).
- Color: Blue-Black.
- Product Code: HERS0100.
Key Performance Features
- Extreme Pressure (EP) Protection: The MoS2 particles create a "multi-laminated" film on the microscopic peaks and valleys (asperities) of machined surfaces. This ensures that the metal surfaces never truly touch, even under extreme loads.
- No-Burnish Formula: While the paste version often requires manual burnishing, the aerosol version is designed to penetrate and adhere to surfaces immediately, forming an extremely low-friction film through normal movement.
- Synergistic Lubricants: Combines multiple solid lubricants to ensure effective bedding-in of new parts, which can extend the service life of components by up to 70%.
- Wide Thermal Stability: Stays active and effective in environments ranging from sub-zero temperatures to the intense heat of an industrial engine or furnace.
- Reduces Galling & Seizure: Prevents "pick-up" or scoring of metal during initial start-up, a common cause of catastrophic failure in newly assembled machinery.
Common Applications
- Automotive & Engine Assembly: Ideal for pre-treating camshafts, piston rings, valve stems, and bearings before the engine's first start.
- Firearms Maintenance: Highly recommended for handgun slide rails and bolt assemblies in semi-auto rifles to ensure smooth cycling and reduced wear.
- Industrial Machinery: Used on lathe centers, slides, open gears, and guides to maintain precision and prevent jerky "stick-slip" movement.
- Fasteners: Applied to large nuts, bolts, and threaded connections to act as an anti-seize agent for future maintenance.
Application Tips
- Preparation: Surfaces should be clean and dry. Use Herschell Cleaner/Degreaser to remove any old oils or storage waxes that might prevent the anti-scuff film from bonding.
- Even Coating: Spray a thin, uniform layer onto both mating surfaces. A little goes a long way—avoid over-applying, as the solid film is very effective even at microscopic thicknesses.
- Drying Time: Allow the solvent carrier to evaporate for a minute before assembling the parts.
- Avoid Bearing Races: While excellent for plain bearings and slides, do not use MoS2-heavy sprays in high-speed anti-friction ball or roller bearings unless specifically recommended by the manufacturer, as the solids can sometimes interfere with the rolling elements.
