Dry Film Lubricants

Plating Guidelines

Black Nitride || Cadmium Platings || Dry Film Lubricants || Electro-Tin/Solderable Platings || Nickel Platings || Passivation of Stainless Steel || Zinc Platings

CARBOWAX™ ( CW )

• Carbowax™ is a product of the Dow Chemical Company.
• CARBOWAX™ SENTRY™ PEGs are water soluble linear polymers formed by the addition reaction of ethylene oxide to an ethylene glycol equivalent.
• The CW finish is applied to product and after drying provides a thin layer of ethylene glycol which provides the part surface with needed lubricity for locking torque performance.
• There are no industry standards for defining this process.

ELECTRO-FILM ( EF )

Applicable Industry Spec: MIL-PRF-46010

• The parts shall be capable of passing an adhesion test, a resistance to fluids test, an endurance life test, and a load carrying capacity test as specified in MIL-PRF-46010.
• Typically, electofilm coating offered by PEM is .0002″ to .0004″ of M-6002, applied to all surfaces.
• Parts shall be plated, if required, prior to this operation. Stainless steel parts require an undercoat for proper adherence of this process.
• Typically applied over .0002 – .0004 Cadmium coat. Can be applied over tin or silver, but the Lubricity is not as good as with Cad.

MOLYBDENUM DISULFIDE DRY FILM LUBRICANT ( MD )

• Dry film lubricant containing molybdenum disulfide and other lubricating ingredients does not contain graphite or other highly electrically conductive materials. It contains a solvent-based phenolic resin system to bind the ingredients to the fastener surface.
• The color is a uniform gray/black.
• The adhesion of this dry film lubricant meets the requirements of ASTM D-2510, Method B.
• The thermal stability meets the requirements of ASTM D-2511.
• It is able to resist 24 hours of salt spray per ASTM B-117 with no significant stains on steel with zinc phosphate under plate.
• It is able to resist 100 hours of salt spray per ASTM B-117 with no significant stains on stainless steel.
• Dry film lubricant containing molybdenum disulfide and other lubricating ingredients is resistant to the following fluids when tested per ASTM D-2510, Method C:
  1, 1, 1 – Trichloroethane
  JP-4 Jet Fuel, MIL-T-5624
  Synthetic Hydraulic Fluid, MIL-H-83282
  Silicone Damping Fluid, VV-D-1078 Skydrol 500 A
• The thread lubricating properties facilitate meeting the 15 cycle locking torque reusability requirements of NASM25027 when applied to all metal prevailing torque locknuts.

SOLID FILM LUBRICANT (used on M45938/7 and M45938/11 locknuts)

Applicable Industry Spec: SAE AS5272 Type i (Replacement for discontinued MIL-L46010 Type i)

• Heat cured dry film lubricant suitable for use at temperatures of -90 to 400F.
• The thread lubricating properties facilitate meeting the 15 cycle locking torque reusability requirements of MIL-DTL-25027 when applied to all metal prevailing torque locknuts.
• The color is a uniform gray/black
• This finish system provides salt spray resistance of a minimum of 100 hrs to red rust on significant surfaces when tested per ASTM B117.
• Does not contain graphite or ozone depleting substances
• The adhesion of this dry film lubricant meets the requirements of ASTM D-2510, Procedure A.
• Applied over .0002 – .0004 inch cadmium plating plus yellow chromate per SAE AMS-QQ-P-416, Class 3, Type II.
• Not RoHS compliant.