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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
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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