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MIL-C-8514 WASH PRIMER (BASE,ACID AND REDUCER)

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Description



Pretreatment Wash Primer- three (3) component kit.
Resin Component: Polyvinyl Butyral, Acid Component: Phosphoric Acid Solution, Thinner.
This material is considered suitable for use in areas with regulations controlling emissions of solvents into the atmosphere.



Item #: MIL-C-8514
Rating: Not Rated Yet
Specifications
Color Yellow
Viscosity 57 - 74 K.U. Stormer
Gun Atomizing Pressure 45 to 55 lbs
Pot Fluid Pressure 10 to 15 lbs
Temperature 75 to 80 ºF
Reduction MIL-A-6091, Denatured Ethyl Alcohol
Topcoating 57-74 K. U. Stormer
Properties
VOC (lbs/gal) 5.8 lbs.
Dry Time Dry hard 30 minutes (maximum)
Weight (lbs/gal) 7.47 lbs
Solids by Weight (± 2) 19.7 %
Flash Point 53 ºF
Gloss Flat
Application

Mix: Stir the resin component well to re-disperse any settled pigment. Slowly add I part by volume of acid component, stirring rapidly, to 4 parts by volume of resin component. Never add In reverse order. It may be applied by brush or spray but the dry film thickness should be 0.2 mil to 0.3 mil. For spray application, add thinner equal to the volume of the acid component to the above mixture (see "REDUCTION"). The pretreatment is most effective when freshly mixed and must be used within 8 hours of the addition of the acid. The acid component is not a thinner and must be used exactly as specified.

Suggested equipment settings:
  • Gun atomizing pressure: 45 to 55 lbs.
  • Pot fluid pressure: 10 to 15 lbs.
  • Temperature: 75 to 80° F
Use

This material is intended for use on clean metal surfaces of all types as a treatment prior to the application of a primer. The purpose of the pretreatment is to increase die adhesion of the primer system to the metal. It is not intended to be a protective type in itself although some protection is afforded for a short period of lime. For the best results the pretreatment should be re-coated with primer as quickly as possible.

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