A-A-50557 Primer, Water-Borne, Acrylic or Modified Acrylic, for Metal Surfaces No S/S DocumentThis commercial item description covers a waterborne primer, acrylic or modified acrylic, suitable for use on exterior or interior metal surfaces. The primer is intended for use on properly prepared exterior and interior metal surfaces in non-marine environments including those where Volatile Organic Compound VOC emissions are controlled by air quality regulations as described below. The primer is intended to be used over bare metal with two coats of a waterborne topcoat, or over previously painted surfaces with one coat of topcoat. The primer should only be applied at temperatures between 50 degrees F 10 degrees C and 100 degrees F 38 degrees C and a relative humidity no higher than 85 percent.

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[INCH-POUND] A-A-50557

May 15, 1996

SUPERSEDING MIL-P-28577B

7 July, 1988

COMMERCIAL ITEM DESCRIPTION

PRIMER, WATER-BORNE, ACRYLIC OR MODIFIED ACRYLIC, FOR METAL SURFACES

The General Services Administration has authorized the use of this commercial item description, for all federal agencies.

1.  SCOPE.  This commercial item description covers a waterborne primer, acrylic or modified acrylic, suitable for use on exterior or interior metal surfaces.  The primer is intended for use on properly prepared exterior and interior metal surfaces in non-marine environments including those where Volatile Organic Compound (VOC) emissions are controlled by air quality regulations as described below.  The primer is intended to be used over bare metal with two coats of a waterborne topcoat, or over previously painted surfaces with one coat of topcoat.  The primer should only be applied at temperatures between 50   F (10   C) and 100 °F (38   C) and a relative humidity no higher than 85 percent.

2.  CLASSIFICATION.  The primer covered by this commercial item description shall be one type, however, it may be procured in white and tints, as specified (see 7.2) by the procuring agency.

3.  SALIENT CHARACTERISTICS

3.1  General.  The primer shall consist of pigments and vehicle combined to produce a

ready-to-use product meeting all the requirements of this commercial item description.  The primer shall be free of materials that would be toxic to personnel under normal conditions of use.

3.2  Composition.

3.2.1  Pigments.  Pigments shall be compatible with the vehicle, and shall include an anti-corrosive pigment.  Tinting pigments shall be used when necessary to provide the color specified .

3.2.2  Vehicle.  The vehicle shall consist of an acrylic or modified acrylic copolymer.  Other necessary additives such as preservatives, antifoam agents, and dispersants may be included.

Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to:  Commanding Officer (Code 156), Naval Construction Battalion Center, Port Hueneme, CA 93043-4301.

AMSC N/A                                                                                                                 FSC 8010

DISTRIBUTION STATEMENT A.  Approved for public release; distribution is unlimited.