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Colors                                                Allow to dry, then prime.
        Clear/Neutral. Custom colors are available upon request. Color
        Packs, when used, must be added to Part-B.            BRASS AND COPPER
                                                              Brass and copper should be blasted with sand, and not
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        Due to its aromatic composition, Polyeuro  5502 FG will tend   with steel or metal grit. Remove all dust and grease prior to
        to yellow or darken in color and will become flat after exposure   applying primer.
        to UV light.
                                                              GALVANIZED SURFACES
        Coverage                                              Clean and degrease any contaminated surfaces before
        Polyeuro  5502 FG may be applied at any rate to achieve   priming.  Do not blast galvanized surfaces with an abrasive
                ®
        desired thickness. Theoretical coverage for 1 mil thickness is   grit. An adhesion test is recommended prior to starting the
        one gallon per 1600 sq. ft.                           project.
        Surface Preparation                                   FIBERGLASS REINFORCED PLASTIC
        In general, coating performance and adhesion are directly   The gel coat should be lightly blasted or sanded with 80 grit
        proportional to surface preparation. Most failures in the   sandpaper and cleaned.
        performance of surface coatings can be attributed to poor
        surface preparation. Polyurea coatings rely on the structural   PLASTIC FOAMS
        strength of the substrate to which they are applied. All surfaces   Enhanced adhesion is obtained when the foam is mechanically
        must be free of dust, dirt, oil, grease, rust, corrosion and other   abraded. When coating polystyrene, do not use a solvent-
        contaminants. When coating previously used substrates, it is   based primer.
        important to consider the possibility of substrate absorption,   TEXTILES, CANVAS, FABRICS
        which may affect the adhesion of the coating system,   Adhesion to most fabrics, geothermal membranes and textiles
        regardless of the surface preparation. Polycoat recognizes   does not require a primer.
        the potential for unique substrates from one project to another.
        The following information is for general reference. For project-  STAINLESS STEEL
        specific questions, contact Polycoat.                 Stainless steel may be grit blasted and degreased before
                                                              priming. Some stainless steel alloys are so inert that it is not
        NEW AND OLD CONCRETE                                  possible to achieve a satisfactory bond. An adhesion test is
        Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5.  New   recommended prior to starting the project.
        concrete must be cured for 28 days prior to product application.
        Surface must be clean, dry, sound and offer sufficient profile   NEW AND OLD CAST IRON
        for product adhesion. Remove all dust, dirt, oil, form release   Blast with a steel grit and degrease before priming. Old cast
        agents, curing compounds, salts, efflorescence, laitance and   iron is difficult to prepare for a satisfactory bond.  It can absorb
        other foreign matter by shotblasting and/or suitable chemical   oil and water soluble contaminants that will keep returning
        means, in accordance with local chemical regulations. Rinse   to the surface after the coating system has been applied
        thoroughly to achieve a pH between 8.0 and 11.0. Allow to dry   and affect the coating system adhesion. An adhesion test is
        completely. If old concrete has a surface that has deteriorated   recommended prior to starting the project.
        to an unacceptably rough surface, PC-260 or a mixture of
        Polyprime  21 and sand should be used as a repair agent   ALL OTHER SURFACES
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        for cracks, spalls, bug holes and voids.  Upon full cure of the   An adhesion test is recommended prior to starting the project.
        repair agent, prime the entire surface intended for coating.  Mixing
                                                              Polyeuro   5502 FG may not be diluted under any circumstances.
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        CONCRETE SURFACE PREPARATION REFERENCE                                     ®
        ASTM D4258 - Standard practice for cleaning concrete. ASTM   Thoroughly mix Polyeuro  5502 FG Side-B (Resin side) with
        D4259 - Standard practice for abrading concrete. ASTM D4260 -   air driven power equipment until a homogeneous mixture
        Standard practice for etching concrete. ASTM F1869 - Standard   and color is obtained.
        test method for measuring moisture vapor emission rate of   Application
        concrete. ICRI 03732 - Concrete surface preparation.  Both Side-A and Side-B materials should be preconditioned
        WOOD                                                  to 75-80°F before application. Recommended surface
        All wood should be clean, dry and free of any knots, splinters,   temperature must be at least 5°F above the dew point.
        oil, grease or other contaminants.  Splintered or rough areas   Polyeuro  5502 FG should be applied using a plural component,
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        should be sanded.  Knots should be repaired using PC-260   heated, high pressure 1:1 spray mixing equipment like Graco’s
        with sand.  Upon full cure of the repair agent, prime the entire   Reactor, Glass Craft or other equivalent machine may be
        surface intended for coating.                         used. Both Side-A and Side-B materials should be sprayed
                                                              at a minimum of 2000 psi and at temperatures above 150°F.
        STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE)            Adequate pressure and temperature should be maintained
        Remove all oil, grease, weld spatters and round off any sharp   at all times.
        edges from surface. Minimum surface preparation is Near
        White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum   Polyeuro  5502 FG should be sprayed in smooth,
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        surface profile is 2-3 mils. Prime and shoot Polyeuro  on to   multidirectional passes to improve uniform thickness and
        any bare metal the same day as it is cleaned to minimize any   appearance.
        potential flash rusting.
                                                              Storage
                                                              Polyeuro  5502 FG has a shelf life of one (1) year from date of
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        ALUMINUM                                              manufacture in original, factory-sealed containers when stored
        Aluminum should be blasted with aluminum oxide or sand,   indoors at a temperature between 60-95°F (15-35°C). Side-A
        and not with steel or metal grit. Excessive blasting may   and Side-B drums are recommended to be stored above 60°F
        result in a warped or deformed surface. After blasting, wash   (15°C). Avoid freezing temperatures. Store drums on wooden
        aluminum with a commercially available aluminum cleaner.


        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363
        wpsales@polycoatusa.com  |  www.polycoatusa.com                                                Section 3.7
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