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Colors ALUMINUM
Clear/Neutral. Custom colors are available upon request. Aluminum should be blasted with aluminum oxide or sand,
Color Packs, when used, must be added to Side-B. and not with steel or metal grit. Excessive blasting may
result in a warped or deformed surface. After blasting, wash
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Due to its aromatic composition, Polyeuro 5502 will tend to aluminum with a commercially available aluminum cleaner.
yellow or darken in color and will become flat after exposure to Allow to dry, then prime.
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UV light. A topcoat can be applied to Polyeuro 5502 within six
hours of application with an aliphatic polyurethane/polyurea BRASS AND COPPER
coating for a colorfast finish. Brass and copper should be blasted with sand, and not
with steel or metal grit. Remove all dust and grease prior to
Coverage applying primer.
Polyeuro 5502 may be applied at any rate to achieve desired
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thickness. Theoretical coverage for 1 mil (0.254 microns) GALVANIZED SURFACES
thickness is one gallon per 1600 sqft (3.78 liters per 149 sqm). Clean and degrease any contaminated surfaces before
priming. Do not blast galvanized surfaces with an abrasive
Estimating Formula: (1600 sqft per gal /Dry Mil Thickness) x grit. An adhesion test is recommended prior to starting the
Solids Content = Application Rate per gallon.
project.
Surface Preparation
In general, coating performance and adhesion are directly FIBERGLASS REINFORCED PLASTIC
proportional to surface preparation. Most failures in the The gel coat should be lightly blasted or sanded with 80 grit
performance of surface coatings can be attributed to poor sandpaper and cleaned.
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,
which may affect the adhesion of the coating system, TEXTILES, CANVAS, FABRICS
regardless of the surface preparation. Polycoat recognizes Adhesion to most fabrics, geothermal membranes and textiles
the potential for unique substrates from one project to another. does not require a primer.
The following information is for general reference. For project-
specific questions, contact Polycoat. STAINLESS STEEL
Stainless steel may be grit blasted and degreased before
NEW AND OLD CONCRETE priming. Some stainless steel alloys are so inert that it is not
Refer to SSPC-SP13/NACE 6, or ICRI 03732: CSP 3-5. New possible to achieve a satisfactory bond. An adhesion test is
concrete must be cured for 28 days prior to product application. recommended prior to starting the project.
Surface must be clean, dry, sound and offer sufficient profile
for product adhesion. Remove all dust, dirt, oil, form release NEW AND OLD CAST IRON
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
CONCRETE SURFACE PREPARATION REFERENCE Polyeuro 5502 may NOT be diluted under any circumstances.
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ASTM D4258 - Standard practice for cleaning concrete. Thoroughly mix Polyeuro 5502 Side-B with air driven power
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ASTM D4259 - Standard practice for abrading concrete. equipment until a homogeneous mixture and color is attained.
ASTM D4260 - Standard practice for etching concrete.
ASTM F1869 - Standard test method for measuring moisture Application
vapor emission rate of concrete. Both Side-A and Side-B materials should be preconditioned
ICRI 03732 - Concrete surface preparation. to 75-80°F (24-27°C) before application.
WOOD Recommended surface temperature must be at least 5°F (3°C)
All wood should be clean, dry and free of any knots, splinters, above the dew point.
oil, grease or other contaminants. Splintered or rough areas Polyeuro 5502 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 used.
surface intended for coating.
Both Side-A and Side-B materials should be sprayed at a
STEEL (ATMOSPHERIC AND IMMERSION EXPOSURE) minimum of 2000 psi and at temperatures above 150°F (66°C).
Remove all oil, grease, weld spatters and round off any sharp
edges from surface. Minimum surface preparation is Near Adequate pressure and temperature should be maintained
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White Metal Blast Cleaning per SSPC-SP10/NACE 2. Optimum at all times. Polyeuro 5502 should be sprayed in smooth,
surface profile is 2-3 mils. Prime and shoot Polyeuro 5502 multidirectional passes to improve uniform thickness and
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onto any bare metal the same day as it is cleaned to minimize appearance.
any potential flash rusting.

POLYCOAT PRODUCTS TEL 562.802.8834 | FAX 562.921.7363
info@polycoatusa.com | www.polycoatusa.com Section 3.4