This is the standard written specification used by Architects for Kynar 500 paint.

Aluminum Coating Finish:

    1. General:   Coatings shall be compliant with the performance standards set forth in AAMA Specifications 2605-98. "Superior Performing Organic Coatings on Aluminum Extrusions and Panels."
    2. Finish designations prefixed by " AA" conform to the system established by the Aluminum Association for designating aluminum finishes.
    3. Chemical Pretreatment (AA-C12C42R1x):  Aluminum Railings shall be cleaned with inhibited chemicals and the surface chemically converted to amorphous chromium phosphate to conform with ASTM D 1730. Type B, Method 5, prior to coating.
    4. High Performance Organic Coating: Apply manufacturers standard 3-coat thermocured system composed of specially formulated inhibited primer, fluoropolymer color coat and clear fluoropolymer top coat, with both color coat and top coat containing not less than 70% polyvinylidene fluoride resin by weight. Provide coating which has been field tested under normal range of weathering conditions for a minimum of 20 years without significant peel, blister, flake, chip, crack or check in finish, and without chalking in excess of 8 (ASTM D 659 ) and without fading in excess of 5 NBS units.

Approved Applicators:

    1. Windsor Metal Finishing